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': 'Rubrospinal tract influences - \nSelect and explain. \nA. Posture and balance, B. Valuntary activity, C. Vestibuloocular stimuli, D. All of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is'b' i.e., Voluntary activityActions of extrapyramidal systemsReticulospinal (Rubrospinal tracts -+ voluntary and reflex (involuntary) activity.", 'role': 'assistant'}]