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: What to do if I have a archwire that is not connected to one bracket of the damon braces? 
 Sentence2: What are damon braces?
[A]: Dissimilar


[Q]: Sentence1: I very often have dull pain in the lower left abdomen. Although bearable, should I still be concerned due to its frequent occurance and see a doctor? 
 Sentence2: I have lower abdominal pain for some time now. I was diagnsoed with a UTI but did not receive treatment. Could it be returning?
[A]: Dissimilar


[Q]: Sentence1: I was using the bathroom and was cleaning the toilet after I finished I had a bandaid on both hands I raised the seat to clean it looked like dryblood? 
 Sentence2: I have cut on my hand from cutting vegetables. I applied a bandaid and bleeding stopped. Do I need to take T.T injection?
[A]:
Dissimilar