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.

[EX Q]: Sentence1: How long after conception does implantation bleeding start? Last period 11/13-18 unprotected sex nov 25 
 Sentence2: Hello doctor, I am on birth control pills and I am sexually active. I am spotting now after 3 weeks and is it withdrawal bleeding or implantation bleeding? 
[EX A]: Dissimilar

[EX Q]: Sentence1: I am almost a month pregnant and I started spitting. It started out pink now it's like a reddish color is that normal? 
 Sentence2: I am 4 weeks pregnant and started spotting pink which turned into red. Is that a bad sign?
[EX A]: Similar

[EX Q]: Sentence1: I used an over the counter corn pad on my toe which had a sensitive callus and now it has gotten much worse and swollen. How can I heal my skin? 
 Sentence2: I have a long standing corn on my toe. Is surgery my only option?
[EX A]:
Dissimilar