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 can't see in the dark as well as others can? Do I need carrots or vitamin a? 
 Sentence2: Can deficiency of Vitamin A result in inability to see in dark?
[A]: Dissimilar


[Q]: Sentence1: Cortisone shot as a diagnostic tool in the knee what does this mean. If the shot worked does it mean inflammation? If not internal damage. Help 
 Sentence2: Apart from diagnostic tool to differentiate between inflammation and internal injury. Is there any therapeutic benifits of cortsione shot in the knee? 
[A]: Dissimilar


[Q]: Sentence1: Okay so i'm on bc and I have had sex (it hurts) i'm bleeding brown and my vagina hurts almost itchy but it hurts? 
 Sentence2: I noticed a brown discharge and itching in my vaginal area to the point that it hurts. I am also on birth control and have sexual intercourse. What do you think is causing this?
[A]:
Similar