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: Which listerine is best for cavities? 
 Sentence2: I have cavities and which listerine is best for it?
[A]: Similar


[Q]: Sentence1: Is it possible for a seven panel urine drug screen to distinguish between Vyvanse (lisdexamfetamine) and concerta? 
 Sentence2: Hello doctor I am on Vyvanse and Concerta. Is it possible for seven panel urine drug test to distinguish between both?
[A]: Similar


[Q]: Sentence1: So, I have this itchy dark brown mole on my hip, it's sort of red around the edges, I have no idea what's causing it. Any ideas? 
 Sentence2: How do we know a mole is cancerous or benign?
[A]:
Dissimilar