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: Pain in the right leg that goes and goes, sometimes on the side, sometimes in the groin. Burns behind the knee and gets worse with cold. What can be? 
 Sentence2: I have on & off pain on the side of right leg and sometimes in the groin. I also experience burning sensation behind the knee, that gets worse when I am cold. What could be the cause?

A: Similar
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Q: Sentence1: I have a painful sore inside my nose, it is red and rough. My nose is very dry too. What is it and how do I treat it? It won't go away and it hurts. 
 Sentence2: I have a red, rough sore inside my nose for 3 days now, and my nose is quite dry too! What could this be? It's quite painful actually, so any help will be appreciated 

A: Similar
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Q: Sentence1: It is safe to take 20mg of Zyrtec (cetirizine) daily? I take it in the morning but 12 hrs later I am suffering. If I don't take another one at night I dont sleep. 
 Sentence2: I am not able to sleep. I usually take 20 mg Zyretc (Cetrizine)  in the morning. Can I take another dose after 12 hours for sleeping? 

A:
Similar
****