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.

Q: Sentence1: I'm 16 weeks pregnant and the skin on left side of my stomach and back is sensitive and extremely painful when touched. But I have no rash. Why? 
 Sentence2: My wife is 16 weeks pregnant, she had a fall and now her left side of stoamch and back is very painful. What should I do? 

A: Dissimilar
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Q: Sentence1: I have been on klonopin (clonazepam) for my gad for about 4 years, 2mg a day. How long will the withdrawals last? Or when is it out of my system? 
 Sentence2: Hello doctor, I am diagnosed with GAD and was given Klonopin an I have been on the medication for few months. Now, the medication is not helping and my doctor wants to change me to celexa. Can I know about the side effects and efficacy of each? Which medication do you think is better?

A: Dissimilar
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Q: Sentence1: Clomiphene citrate 100mg from   3rd day for 5 days any possibility for twins and conceiving? Please answer 
 Sentence2: Hi! I am on Clomiphene citrate 100mg on a 5 days regimen and this is my 3rd day. Any chances of conceiving or twin pregnancy? 

A:
Similar
****