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.

[Q]: 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? 
[A]: Dissimilar


[Q]: Sentence1: What does it mean to have sporadic headaches? 
 Sentence2: I have tension headaches and have been under lot of stress. What do you recommend i do?
[A]: Dissimilar


[Q]: Sentence1: Can having a shaved penis alter sex performance? 
 Sentence2: Can shaving penis give painful bumps?
[A]:
Dissimilar