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: Feels like something is stuck in throat, shoulder and chest feels mildly heavy, upper back ache. No more coughing. What can this be? 
 Sentence2: I have no cough, feeling of something stick is throat, upper back ache and chest feels heavy. What are the causes of my symptoms? 

A: Similar
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Q: Sentence1: Doctors, do you think I can develop keloid scarring on old healed tattoos? 
 Sentence2: I developed a scar over a healed tattoo and was told it is not a keloid. What are the other possibiltiies?

A: Dissimilar
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Q: Sentence1: Can you guys tell me how advanced does lung/bronchial cancer have to be? 
 Sentence2: How is lung cancer tested for?

A:
Dissimilar
****