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: How can I make my inverted nipples point out? 
 Sentence2: Do inverted nipples pose a health problem?

A: Dissimilar
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Q: Sentence1: Why do my ears "pop" when I am weight lifting? 
 Sentence2: Is it normal for ears to pop if one lifts heavy weights?

A: Similar
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Q: Sentence1: Why dose my chest hurt when stretching and coughing plus sneezing? 
 Sentence2: I've been coughing and sneezing a lot, but why is my chest hurting so bad?

A:
Similar
****