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.

Input: Consider 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?

Output: Similar

Input: Consider Input: Sentence1: How often should I get my custom orthotics evaluated and replaced & have Flat feet/ 1fallen arch. Advice for 5K run/walker to avoid injury?
Sentence2: How frequent should I get my orthotics for flat feet checked and replaced? What is the advice you can give me to avoid injury during a 5k run?

Output: Similar

Input: Consider Input: Sentence1: How to lose tummy fats?
Sentence2: Why is there more fat buildup in the tummy area?
Output: Dissimilar