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: My first sonogram said I was 7 weeks pregnant due date 3/22. Next appointment (5 weeks later) sono measured bby at 13weeks. Duedate changed to 3/15. Y? 
 Sentence2: In my first sonogram at 7 weeks my due date is 3/22 and now at 13 weeks my due date is 3/15. Which is correct?
Example Output: Similar

Example Input: Sentence1: I'm 16 weeks pregnant and the skin on left side of my stomach and back is sensitive and extremely painful when touched. But I have no rash. Why? 
 Sentence2: My wife is 16 weeks pregnant, she had a fall and now her left side of stoamch and back is very painful. What should I do? 
Example Output: Dissimilar

Example Input: Sentence1: What is the definition or description of: diclofenac? 
 Sentence2: What is a Diclofenac exactly?
Example Output:
Similar