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: Is it okay for 18 year olds to take thermogenics? 
 Sentence2:  I have heard a lot of 18 year old taking thermogenics. Could you tell me what we mean by thermogenics? 
[A]: Dissimilar


[Q]: Sentence1: I bent over while sitting in a chair to pick up something and felt like something popped and I am now having pain on my left side around my ribs? 
 Sentence2: I heard a pop on bending over while sitting in a chair causing pain in the rib area. My doctor ordered a chest Xray, that came back normal. I am relieved that it is not a fracture. What can I try for relief from the pain?
[A]: Dissimilar


[Q]: Sentence1: Occasionally a blood vessel in my lower leg ruptures & it stings, a lump forms that is very painful to the touch & appearance of a bruise.? 
 Sentence2: What is the cause of occasional rupture of a blood vessel in the lower leg leading to bruising, formation of a lump that is painful to the touch?
[A]:
Similar