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.

Example Input: Sentence1: What can be done for really sharp pain in left ankle? 
 Sentence2: I have sharp pain in left ankle for last 3 days. I got hurt while playing a few days ago but there was no bleeding. What should I do for relief?
Example Output: Similar

Example Input: Sentence1: My 6mo old niece has a pink round spot on each thigh in the same place. My sister is worried it's ring worm. It doesn't bother the baby any. Thoughts? 
 Sentence2: How long do most birthmarks stay for in infants?
Example Output: Dissimilar

Example Input: Sentence1: Can micro dermabrasion hurt? 
 Sentence2: Is microdermabrasion painful?
Example Output:
Similar