instruction:
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.
question:
Sentence1: I am 17 years old, and I have had troubles keeping or even maintaining an erection before sex. I have tried multiple times and don't know what to do anymore. It's really imbarrassing but my girlfriend said I should go see a doctor about it. I only masterb 
 Sentence2: I am 17 years old and have issues with maintaining a erection. My girlfriend asked me to see a doctor. I only masturbate. Should I see one? 
answer:
Similar


question:
Sentence1: How would doctors recommend I treat painful headaches or migraines? 
 Sentence2: My daughter has migraine and she gets really bad headaches. I am planning to take her to her doctor but would like to know how migraines are treated usually?
answer:
Similar


question:
Sentence1: Pain in the right leg that goes and goes, sometimes on the side, sometimes in the groin. Burns behind the knee and gets worse with cold. What can be? 
 Sentence2: I have on & off pain on the side of right leg and sometimes in the groin. I also experience burning sensation behind the knee, that gets worse when I am cold. Do I have a blood clot in my leg? If yes, what could be the treatment?
answer:

Dissimilar