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: Sunscreen lotion for african americans with very extremely sensitive skin? 
 Sentence2: I'm a 25 yr old African American girl with an extremely sensitive skin and wanted to see if you had any suggestons for a good sunscreen lotion?
Example Output: Similar

Example Input: Sentence1: If I have an astigmatism , could that be causing daily headaches? I do not wear glasses but i work on a p.C. All day and a lot of bright lighting. 
 Sentence2: What is the treatment for headaches caused by astigmatism?
Example Output: Dissimilar

Example Input: Sentence1: How can I get myself to have normal daily bowel movements when i'm constipated and haven't had a normal bm in almost a month? 
 Sentence2: Is constipation bad? I mean can it damage other body parts or cause any long term harm to me?
Example Output:
Dissimilar