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: I do unprotected sex with a prostitute after 28 days I go for hiv duo test the result is non reactive 0.07 is it conclusive? 
 Sentence2: Is a HIV duo test at 28 days after exposure accurate?

A: Similar
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Q: Sentence1: Can pink eye be cured with g.E. Sulfameth/tmp ds can g. E. Sulfameth/ tmp ds cure pink eye? 
 Sentence2: Is g.E. Sulpfameth/tmp ds helpful in pink eye treatment?

A: Similar
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Q: Sentence1: Can gabapentin work for headaches caused by trimethoprim. I have started taking 100mg gabapentin daily for 4 days and trimethoprim 200mg twice a day. 
 Sentence2: I was diagnosed with a urine infection for which I was given Trimethoprim 200 mg to be taken twie daily. I have developed headaches because of the medication. Would it be safe to take Gabapentin?

A:
Similar
****