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: Dental
[{'content': 'On opening the mouth, if the jaw deviates to the right side, it indicates the paralysis of: \nSelect and explain. \nA. Right lateral pterygoid, B. Left lateral pterygoid, C. Right medial pterygoid, D. Left medial pterygoid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]