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: I Have a tiny lump on the upper left side of my back. I have had it for about 2 months now. It is like a little grey spot. So please help.? 
 Sentence2: What is the management of tiny lumps that come up on the back and present as spots on the skin?
[A]: Dissimilar


[Q]: Sentence1: I stepped on a rock that injured the outside of my foot.  17 days later, swelling and bruising down. Discomfort still. Will walking hurt the healing? 
 Sentence2: It's been almost 2 and half weeks since I bumped into a rock and injured my foot, though the swelling is down bit it still hurts, is it a fracture, am I okay to walk or should I avoid weight bearing?
[A]: Similar


[Q]: Sentence1: Borderline changes to Brain MRI in 1 yr being referred to a neuroradiologist does this mean something sinister? 
 Sentence2: I am a 50 year old male and my PCP just informed me that my latest MRI has picked up some brain changes which weren't there a year back and has referred me to a neuroradiologist. Am I dying?
[A]:
Similar