In this task you are given a medical question pair hand-generated. Your task is to classify a given post into two categories 1) 'Similar' if the given two questions have a same connotation 2) 'Dissimilar' if the given two questions have a different connotation or meaning.

Q: Sentence1: If I have an astigmatism , could that be causing daily headaches? I do not wear glasses but i work on a p.C. All day and a lot of bright lighting.
Sentence2: What is the treatment for headaches caused by astigmatism?

A: Dissimilar
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Q: Sentence1: Stroke at 90 . At this stage, would a speech therapy help her?
Sentence2: What are some common symptoms of stroke?

A: Dissimilar
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Q: Sentence1: I have a purple vein in the left side of my penis.It reaches the foreskin before disappearing.It just appeared yesterday.What should I do ?
Sentence2: I noticed a prominent purple vein on my penis. Is this normal?

A:
Similar
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