TASK DEFINITION: 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.
PROBLEM: Sentence1: How to know if you miscarried without passing fetus? 
 Sentence2: I am 6 weeks pregnant. I have been reading articles about pregnancy care and I came across one that says chances of miscarriage are high during the first 12 weeks of pregnancy. I am worried now, is this true? 

SOLUTION: Dissimilar

PROBLEM: Sentence1: For a week had pain under left breast, worst when rolling to that side in bed or getting up from laying down. most of the time I cannot deep breath? 
 Sentence2: I had a chest injury, now I am having under my breast along with difficulty in breathing. Any remedies? 

SOLUTION: Dissimilar

PROBLEM: Sentence1: Should I use the nicotine patch to quit smoking? Or should I try electronic cigarettes? 
 Sentence2: I quit smoking recently and I have been using nicotine patch. But I am planning to try electronic cigarettes as I am not very comfortable with nicotine patch. Can I do that without any affect on me quitting of smoking?

SOLUTION:
Dissimilar