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: Anatomy
[{'content': 'All except one is true regarding attachment of mandible \nSelect and explain. \nA. Muscle 1 is retractor of mandible, B. Muscles 2 and 3 elevate the mandible, C. Lingual nerve runs deep to muscle 5, D. Muscle 3 and 4 help in sideways chewing movements', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 1 - Temporalis\n2 - Masseter.\n3 - Lateral pterygoid.\n4 -\xa0Medial pterygoid.\n5 - Mylohyoid.\nLateral pterygoid is the depressor of mandible.', 'role': 'assistant'}]