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: What can cause me to be lightheaded/dizzy?
Sentence2: I am a healthy 25 year old but for the past few days, I have been feeling lightheadedness and dizzy, do you know what might be the cause?

A: Similar
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Q: Sentence1: What are the best remedies you know for treating a cold sore quickly without scarring?
Sentence2: I have a cold sore which appeared yesterday. I usually use acylovir orally for it but this time I need some quick fix because I have my prom in 3 days and I want it to go away without leaving any scar. Can you help me with some remedies to make it go away at the earliest?

A:
Similar
****