Method: Echo current activity verb.
Method: Get the verb of current activity.
Method: Check if current activity has action.
Method: Count total items in a group.
Method: Check if there are items in a group.
Method: End group loop.
Method: Start group.
Method: Pre fetch comments of activities and cache them.
Method: Prefetch actors of activities and cache them.
Method: Pre fetch question and answers and cache them.