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.
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Question: Sentence1: How is substance abuse diagnosed? 
 Sentence2: Could you tell me, how substance abuse is diagnosed? 

Answer: Similar


Question: Sentence1: When your iris leaks into your pupil is it the same as pupil into iris? What is it called? What causes? What problems can arise? 
 Sentence2: I am using marijuana for long and now my pupils are dilated. Is it a side effect and is it something serious?

Answer: Dissimilar


Question: Sentence1: I had unprotected sex 2 weeks ago, I started getting a brown discharge, but I havent started yet. What can it mean? I have irregular periods btw. 
 Sentence2: Does a brown vaginal discharge mean I am pregnant?

Answer:
Similar