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: My son was in the ER last night for a reaction to his Adderall after they give him Xanax (alprazolam) about 1130 last night he is seen things? 
 Sentence2: I do see things. I have been prescribed Xanax ( Aprazolam) and as advised I took Adderall at 11:30, but I developed allergic reaction after that. Should I go to the ER? 
[EX A]: Dissimilar

[EX Q]: Sentence1: Is mental illness like bipolar hereditary? 
 Sentence2: What are the symptoms of mental illnesses like bipolar?
[EX A]:
Dissimilar