This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vermiform Appendix, Subject name: Surgery
[{'content': 'All are true about appendicitis except. \nSelect and explain. \nA. Pain on flexion and external rotation, B. Pain on flexion and internal rotation, C. Pain in right illiac fossa on deep palpation of left iliac fossa, D. Right illiac fossa tenderness', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans A. Pain on flexion and external rotation', 'role': 'assistant'}]