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: After having sex once I don't feel like doing it with her again why is that so ? 
 Sentence2: Why do I experience decreased libido only with a person whom I had intercourse before? 
[A]: Similar


[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: How can you tell the difference between hemmorhoids and colon cancer? Even though the symptoms are very similar, what are the major differences? 
 Sentence2: I have been noticing blood in my stools for the past 3-4 days. How can I tell if I have hemorhoids or colon cancer? 
[A]:
Similar