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.
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Question: Sentence1: Dry, flaky skin on the outer skin of lips all the time. Why does this happen? 
 Sentence2: I have dry, chaped lips with a cold sore. How long does it take to heal?

Answer: Dissimilar


Question: Sentence1: Was recently diagnosed with crohn's, thinking about switching to a vegetarian lifestyle. Is it possible since raw veg/salad are a already a problem? 
 Sentence2: What is the best diet for people with Chrons disease?

Answer: Dissimilar


Question: Sentence1: I have membranous nephropathy and I see a nephrologist. Can the disease ever go away or am I most certain to eventually be on dialysis someday. Thanks? 
 Sentence2: What is the prognosis for membranous nephropathy?

Answer:
Similar