This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lower limb, Subject name: Anatomy
[{'content': 'First layer of sole has \nSelect and explain. \nA. Abductor hallucis, B. Flexor hallucis longus, C. Flexor hallucis brevis, D. Adductor hallucis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: SOLE OF THE FOOT:- 4 layers of muscles Muscles of first layer:-1. Flexor digitorum brevis2. Abductor hallucis 3. Abductor digiti minimi Muscles of second layer:-1. Tendons of FDL2. Tendon of FHL3. flexor digitorum accessorius 4. Lumbrical muscles Muscles of third layer:-1. Flexor hallucis brevis 2. Flexor digiti minimi brevis 3. Adductor hallucis Muscles of fouh layer:-1. Tendon of Tibialis posterior 2. Tendon of Peroneus teius 3. Interosseus muscles {Reference: BDC 6E pg no.115 chapter 10}', 'role': 'assistant'}]