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': 'A 19 year old boy fell from the motar bike on his shoulder. The doctor diagnosed him a case of Erbs paralysis. The following signs and symptoms will be observed except: \nSelect and explain. \nA. Loss of abduction at shoulder joint, B. Loss of abduction at shoulder joint, C. Loss of pronation at radioulnar joint., D. Loss of flexion at elbow joint.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C ie Loss of pronation at radio ulnar joint', 'role': 'assistant'}]