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: Can seroquel (quetiapine) cause gerd? 
 Sentence2: How does seroquel (quetiapine) work?
Example Output: Dissimilar

Example Input: Sentence1: How do you safely remove a swimmer with a possible head injury from the water? 
 Sentence2: What are the chances of having a head injury in a swimmer?
Example Output: Dissimilar

Example Input: Sentence1: I recently stopped birth control. My last period was16 oct, my cycles last about 32 days. I started noticing light blood from nov 2 until 15th? 
 Sentence2: Doctor I stopped my brith control pills recently. How long after stopping them, can I get pregnant? 
Example Output:
Dissimilar