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.

[EX 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?
[EX A]: Similar

[EX Q]: Sentence1: What to do if I am 17 year old guy.2 days ago I noticed weak erections and now I can't even maintain it? 
 Sentence2: I am 17 years and since 2 days I noticed weak erections and hs difficulty maintaining. May I know what can I do?
[EX A]: Similar

[EX Q]: Sentence1: I have a bug bite and it keeps getting worse. What do you recommend? 
 Sentence2: What can help with a bug bite?
[EX A]:
Similar