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: Describe the features of a bone avulsion.? 
 Sentence2: Do I need a surgery for bone avulsion?
[A]: Dissimilar


[Q]: Sentence1: If I have an astigmatism , could that be causing daily headaches? I do not wear glasses but i work on a p.C. All day and a lot of bright lighting. 
 Sentence2: What is the treatment for headaches caused by astigmatism?
[A]: Dissimilar


[Q]: Sentence1: Is it normal for the stomach to increase in size after receiving cpr? 
 Sentence2: What are the indications of CPR?
[A]:
Dissimilar