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': 'Ventero lateral cordotomy for relief of pain in right lower limb due to cutting \nSelect and explain. \nA. Left ventral spinothalamic tract, B. Left lateral spinothalamic tract, C. Right ventral spinothalamic tract, D. Right lateral spinothalamic tract', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Left Lateral spinothalamic tract carries pain fibre from right leg. And ventrolateral cordotomy leads to cut of lateral spinothalamic tract. Ref: Ganong&;s review of medical physiology; 23rd edition; pg:177', 'role': 'assistant'}]