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: Is there a difference between inositol pills and powder? 
 Sentence2: Could you explain to me the use of Inositol?

A: Dissimilar
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Q: Sentence1: It's hard to work out in the winter. I like running outside but too cold and too much snow. Any tips and how to lose weight in the winter time? 
 Sentence2: Which foods help to lose weight?

A: Dissimilar
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Q: Sentence1: Are Sympathetic Nerve Blocks effective at calming the sympathetic system which causes angina and migraines? If not, why not? Would seem logical. 
 Sentence2: What can cause angina and migraine to happen together?

A:
Dissimilar
****