Task: Sentence Expansion
Input (English): Restorationism , also called Christian primitivism is a movement that tries to restore to model itself after what is known or believed of the Early Church .
Output (English): Restorationism ( or Christian primitivism ) is the belief that Christianity has been or should be restored along the lines of what is known about the apostolic early church , which restorationists see as the search for a purer and more ancient form of the religion .