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: What's a good way to address back pain? 
 Sentence2: How can I cure my back pain?

A: Similar
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Q: Sentence1: Can ibs calm down at night then kick in in the day? 
 Sentence2: I have IBS and the symptoms have been frustrating lately. Should I change my diet or take any medications?

A: Dissimilar
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Q: Sentence1: I have a purple vein in the left side of my penis.It reaches the foreskin before disappearing.It just appeared yesterday.What should I do ? 
 Sentence2: How to treat purplish discoloration due to injuries?

A:
Dissimilar
****