This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Gastro-colic reflex is related to : \nSelect and explain. \nA. Mass peristalsis, B. Segmental movement, C. Pendular movement, D. Colonic cases', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Mass persistalsis', 'role': 'assistant'}]