diff --git a/modules/tincanapi_content_types/tincanapi_content_types.module b/modules/tincanapi_content_types/tincanapi_content_types.module
index 8c6fa6f..feb1eb0 100644
--- a/modules/tincanapi_content_types/tincanapi_content_types.module
+++ b/modules/tincanapi_content_types/tincanapi_content_types.module
@@ -83,22 +83,7 @@ function tincanapi_content_types_data_from_node($node, $view_mode = '') {
   $data['storage']['node'] = $node;
   $data['storage']['view_mode'] = $view_mode;
 
-  // Add organic group (class) information.
-  if (isset($node->og_group_ref)) {
-    $og_group_values = field_get_items('node', $node, 'og_group_ref');
-    $group_nid = $og_group_values[0]['target_id'];
-
-    $group_node = node_load($group_nid);
-    if ($group_node) {
-      $group = array(
-        'id' => $base_url . '/node/' . $group_node->nid,
-        'definition' => array('name' => array('en-US' => $group_node->title)),
-        'objectType' => 'Activity',
-      );
-
-      $data['context']['contextActivities']['grouping'] = $group;
-    }
-  }
+  tincanapi_add_og_context($node, $data);
 
   return $data;
 }
diff --git a/modules/tincanapi_quiz/tincanapi_quiz.module b/modules/tincanapi_quiz/tincanapi_quiz.module
index 37f12f6..6e74c88 100644
--- a/modules/tincanapi_quiz/tincanapi_quiz.module
+++ b/modules/tincanapi_quiz/tincanapi_quiz.module
@@ -62,24 +62,7 @@ function tincanapi_quiz_quiz_finished($quiz, $score, $session_data) {
     $data['result']['completion'] = FALSE;
   }
 
-  // Add organic group (class) information.
-  if (isset($quiz->og_group_ref)) {
-    global $base_url;
-
-    $og_group_values = field_get_items('node', $quiz, 'og_group_ref');
-    $group_nid = $og_group_values[0]['target_id'];
-
-    $group_node = node_load($group_nid);
-    if ($group_node) {
-      $group = array(
-        'id' => $base_url . '/node/' . $group_node->nid,
-        'definition' => array('name' => array('en-US' => $group_node->title)),
-        'objectType' => 'Activity',
-      );
-
-      $data['context']['contextActivities']['grouping'] = $group;
-    }
-  }
+  tincanapi_add_og_context($quiz, $data);
 
   tincanapi_track_data('quiz', $data);
 }
@@ -101,24 +84,7 @@ function tincanapi_quiz_quiz_scored($quiz, $score, $rid) {
 
   $data['result'] = _tincanapi_quiz_get_result($score, $quiz);
 
-  // Add organic group (class) information.
-  if (isset($quiz->og_group_ref)) {
-    global $base_url;
-
-    $og_group_values = field_get_items('node', $quiz, 'og_group_ref');
-    $group_nid = $og_group_values[0]['target_id'];
-
-    $group_node = node_load($group_nid);
-    if ($group_node) {
-      $group = array(
-        'id' => $base_url . '/node/' . $group_node->nid,
-        'definition' => array('name' => array('en-US' => $group_node->title)),
-        'objectType' => 'Activity',
-      );
-
-      $data['context']['contextActivities']['grouping'] = $group;
-    }
-  }
+  tincanapi_add_og_context($quiz, $data);
 
   tincanapi_track_data('quiz', $data, (int) $record->uid);
 }
@@ -265,24 +231,7 @@ function tincanapi_quiz_tincanapi_quiz_data_multichoice(&$data, $question, $answ
   $data['object']['definition']['choices'] = $choices;
   $data['result']['response'] = implode(",", $data['result']['response']);
 
-  // Add organic group (class) information.
-  if (isset($question->og_group_ref)) {
-    global $base_url;
-
-    $og_group_values = field_get_items('node', $question, 'og_group_ref');
-    $group_nid = $og_group_values[0]['target_id'];
-
-    $group_node = node_load($group_nid);
-    if ($group_node) {
-      $group = array(
-        'id' => $base_url . '/node/' . $group_node->nid,
-        'definition' => array('name' => array('en-US' => $group_node->title)),
-        'objectType' => 'Activity',
-      );
-
-      $data['context']['contextActivities']['grouping'] = $group;
-    }
-  }
+  tincanapi_add_og_context($question, $data);
 
 }
 
@@ -331,25 +280,7 @@ function tincanapi_quiz_tincanapi_quiz_data_scale(&$data, $question, $answers) {
 
   $data['object']['definition']['scale'] = $scale;
 
-  // Add organic group (class) information.
-  if (isset($question->og_group_ref)) {
-    global $base_url;
-
-    $og_group_values = field_get_items('node', $question, 'og_group_ref');
-    $group_nid = $og_group_values[0]['target_id'];
-
-    $group_node = node_load($group_nid);
-    if ($group_node) {
-      $group = array(
-        'id' => $base_url . '/node/' . $group_node->nid,
-        'definition' => array('name' => array('en-US' => $group_node->title)),
-        'objectType' => 'Activity',
-      );
-
-      $data['context']['contextActivities']['grouping'] = $group;
-    }
-  }
-
+  tincanapi_add_og_context($question, $data);
 }
 
 /**
@@ -377,24 +308,7 @@ function tincanapi_quiz_tincanapi_quiz_data_short_answer(&$data, $question, $ans
     'max' => (int) $max,
   );
 
-  // Add organic group (class) information.
-  if (isset($question->og_group_ref)) {
-    global $base_url;
-
-    $og_group_values = field_get_items('node', $question, 'og_group_ref');
-    $group_nid = $og_group_values[0]['target_id'];
-
-    $group_node = node_load($group_nid);
-    if ($group_node) {
-      $group = array(
-        'id' => $base_url . '/node/' . $group_node->nid,
-        'definition' => array('name' => array('en-US' => $group_node->title)),
-        'objectType' => 'Activity',
-      );
-
-      $data['context']['contextActivities']['grouping'] = $group;
-    }
-  }
+  tincanapi_add_og_context($question, $data);
 }
 
 /**
@@ -411,25 +325,7 @@ function tincanapi_quiz_tincanapi_quiz_data_truefalse(&$data, $question, $answer
   $correct = ($question->correct_answer == 1 ? 'true' : 'false');
   $data['object']['definition']['correctResponsesPattern'] = array($correct);
 
-  // Add organic group (class) information.
-  if (isset($question->og_group_ref)) {
-    global $base_url;
-
-    $og_group_values = field_get_items('node', $question, 'og_group_ref');
-    $group_nid = $og_group_values[0]['target_id'];
-
-    $group_node = node_load($group_nid);
-    if ($group_node) {
-      $group = array(
-        'id' => $base_url . '/node/' . $group_node->nid,
-        'definition' => array('name' => array('en-US' => $group_node->title)),
-        'objectType' => 'Activity',
-      );
-
-      $data['context']['contextActivities']['grouping'] = $group;
-    }
-  }
-
+  tincanapi_add_og_context($question, $data);
 }
 
 /**
diff --git a/tincanapi.module b/tincanapi.module
index a41166e..76a1f6f 100644
--- a/tincanapi.module
+++ b/tincanapi.module
@@ -454,3 +454,38 @@ function tincanapi_format_iso8601_duration($timestamp) {
 
   return $output;
 }
+
+
+/**
+ * Fill statement group context with OG context
+ *
+ * @param object $node
+ *   A Drupal node object.
+ *
+ * @return array
+ *   A structured data array.
+ */
+function tincanapi_add_og_context($node, &$data)
+{
+  global $base_url;
+
+  // Add organic group (class) information.
+  if (isset($node->og_group_ref)) {
+    $og_group_values = field_get_items('node', $node, 'og_group_ref');
+    $group_nid = $og_group_values[0]['target_id'];
+
+    $group_node = node_load($group_nid);
+    if ($group_node) {
+      $group = array(
+          'id' => $base_url . '/node/' . $group_node->nid,
+          'definition' => array(
+              'name' => array('en-US' => $group_node->title),
+              'type' => TINCANAPI_CUSTOM_URI . '/content/type/' . $group_node->type
+          ),
+          'objectType' => 'Activity',
+      );
+
+      $data['context']['contextActivities']['grouping'][] = $group;
+    }
+  }
+}