TASK DEFINITION: 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.
PROBLEM: Sentence1: My bf fingrd me possibly sperm on his hands. His fingr was dry and all he did was wipe his penis wi/ a ppr twl. We don't think any got on his handspreg? 
 Sentence2: My BF fingered me, and I think his hands might have had some dried sperm, could I be pregnant?

SOLUTION: Similar

PROBLEM: Sentence1: Out of the blue, my heart will just get this pain. It really hurts. Why? 
 Sentence2: I am having on/off chest pain and sometimes it appears out of the blue. Can you suggest any measures to subside it? 

SOLUTION: Dissimilar

PROBLEM: Sentence1: Please tell me, could a dentist remove a tooth when infection is present? 
 Sentence2: Hello doctor, I have infected tooth and I am prescribed amoxycillin.  Can I take motrin aling with amoxycillin for the pain?

SOLUTION:
Dissimilar