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: 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?

Output: Dissimilar

Input: Consider Input: Sentence1: What to do if I have some symptoms thought that i don't know if they could be PMS or pregnancy ?
Sentence2: How can I differentiate between PMS and pregnancy symptoms?

Output: Similar

Input: Consider Input: Sentence1: What blood sugar level is considered normal for people with type 2 diabetes?
Sentence2: I have type 2 diabetes and my fasting sugar levels usually stay around 100, is that normal?
Output: Similar