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.
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Question: Sentence1: I'm bleeding from penis for no reason. What could this be? 
 Sentence2: I have some mild bleeding from the penis. Can this be a sign of a UTI?

Answer: Dissimilar


Question: 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?

Answer: Similar


Question: Sentence1: Can weightlifting lower your immune system? Started yesterday for the 1st time in 7 months and the next day got a cold sore on lip 
 Sentence2: I got a cold sore yesterday after working out at the gym. Have you heard of something like this before?

Answer:
Similar