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: After having sex once I don't feel like doing it with her again why is that so ? 
 Sentence2: Why do I experience decreased libido only with a person whom I had intercourse before? 
answer:
Similar


question:
Sentence1: Why does my back hurt when I breathe or bend over? Its kind of in my upper middle back but just on the right side. 
 Sentence2: I started noticing pain in the upper middle back on the right side and hurts to breathe and bend over. Any idea what it could be?
answer:
Similar


question:
Sentence1: Is there a medication to control my anger? 
 Sentence2: My wife has bad mood swings- One momet she will be so happy and the very next moment, she would get angry for no reason. Do you think she has bipolar disorder?
answer:

Dissimilar