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: I'm stressed about being pregnant and my period started getting light and short, could my stress cause this? 
 Sentence2: Can stress cause the period to last shorter? Or am I pregnant?
[EX A]: Similar

[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: What are the right tests to take to determine and rule out systemic candida? Specifics please. Thankyou. 
 Sentence2: May I know what is the difference between candidal yeast infection and bacterial vaginosis? 
[EX A]:
Dissimilar