<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: The MR imaging in multiple sclerosis will show lesions in:
Options:
A. White matter
B. Grey matter
C. Thalamus
D. Basal ganglia
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is A: White matter. Explanation: A i.e. White matter<|im_end|>
