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: 36 M with clean cardiac echo stress and lipids. No risk factors. Pain in lower back and localized pain in upper left chest for 9 mths. Cardiac? Scared 
 Sentence2: I have been having some chest pain for a few hours now. Can my anxiety be causing it?

A: Dissimilar
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Q: Sentence1: Would 3 normal u/s and 5 low d-dimers over the course of 4 weeks rule out dvt? Even though leg pain is still there? No redness or swelling. 
 Sentence2: How can we rule out DVT? What symptoms should I look out for and what tests can be done?

A: Similar
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Q: Sentence1: 21 yr female sexually active have an increase in appetite stay hungry and more bowel movements what could be wrong ? 
 Sentence2: What could be causing me to experience symptoms like an increased appetite and strong bowel movements?

A:
Similar
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