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: Does the herb kalawalla (polypodium leucotamos) actually work for autoimmune disorders?
Sentence2: Are autoimmune disorders completely curable?

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: Does an active sympathetic system cause angina and migraines? Wouldn't nerve blocks help in such cases?

A: Similar
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Q: Sentence1: What causes hungry one hour after meals with upper abdominal pain and burning sensation?
Sentence2: Every time after I eat a meal, I get this burning sensation and pain in my upper abdomen and feel hungry again! What could it be?

A:
Similar
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