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: Blood pressure is 140/88. Little high? I'm 25. 
 Sentence2: What medications are useful to help control high blood pressure?
answer:
Dissimilar


question:
Sentence1: If u have had giardia and had it treated, but your liver enzymes rose what could that be a indication of? 
 Sentence2: I drank water from a stream and read that it could cause giardiasis. I am a little worried since I have been experiencing some mild abdominal pain on the right side, could it be affecting my liver?
answer:
Dissimilar


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 was lifting weights at the gym and seemed to have hurt my upper back. It seems like a pulled muscle. How long does this last?
answer:

Dissimilar