instruction:
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.
question:
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? 
answer:
Dissimilar


question:
Sentence1: How can you test cholesterol levels? 
 Sentence2: Can you tell me which tests look for cholesterol?
answer:
Similar


question:
Sentence1: Surg only way to diag endometriosis? Since Csection pain in hip during pms, bad cramps ultrasounds labs pap were fine dr not concerned hormone changes? 
 Sentence2: Hello doctor, I am 15 and I have severe pain during periods?? Do I have endometriosis? What are the symptoms? 
answer:

Dissimilar