instruction:
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.
question:
Sentence1: How can a person know if they have chronic fatigue syndrome? 
 Sentence2: What are the symptyoms of A chronic fatigue syndrome?
answer:
Similar


question:
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?
answer:
Dissimilar


question:
Sentence1: How can I make my inverted nipples point out? 
 Sentence2: Do inverted nipples pose a health problem?
answer:

Dissimilar