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': 'An anterolateral (ventrolateral) corodotomy relieving pain in right leg is effective because it interrupts the: \nSelect and explain. \nA. Left dorsal column, B. Left ventral spinothalmic tract, C. Left lateral spinothalmic tract, D. Right lateral spinothalmic tract', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Left lateral spinothalamic tract', 'role': 'assistant'}]