This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
[{'content': 'Which of the following has small representation in somatosensory area of cerebral cortex \nSelect and explain. \nA. Lips, B. Thumb/fingers, C. Tongue, D. Trunk', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Trunk(Ref: Ganong, 25th ed/p.169)Lips and thumb has got the maximum representation in somatosensory areaRepresentations for trunk and back are small', 'role': 'assistant'}]