This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: CNS Tumors, Subject name: Surgery
[{'content': 'All of the following are features of brain tumor except:- \nSelect and explain. \nA. Pin point pupil, B. Seizures, C. Headache, D. Focal neurological deficit', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Three cardinal symptoms of brain tumor: Seizures, Raised ICT & focal neurological deficit. BRAIN TUMOR Raised ICT leads to headache (worse in morning & strainingQ, associated with nausea & vomiting) FND: Progressive over time, characteristic of locationQ', 'role': 'assistant'}]