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: When your iris leaks into your pupil is it the same as pupil into iris? What is it called? What causes? What problems can arise? 
 Sentence2: I am using marijuana for long and now my pupils are dilated. Is it a side effect and is it something serious?

Answer: Dissimilar


Question: Sentence1: Can obesity cause bilateral pitting edema? And how to get rid of it? 
 Sentence2: Is it possible to get pitting edema on both sides because of being obese? How can it be treated?

Answer: Similar


Question: Sentence1: For people with arthritis, is it painful to pop knuckles, like hand knuckles? 
 Sentence2: I have been having sharp pain in my hand knuckles, I pop them a lot but I worry a lot about arthritis because my parents also have arthritis. Can I have arthritis?

Answer:
Dissimilar