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: Medicine
[{'content': 'A lesion in the paracentral lobule causes - \nSelect and explain. \nA. Contralateral foot weakness, B. Seizures only, C. Migraine, D. Cognitive Loss', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]