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.

[EX 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?
[EX A]: Dissimilar

[EX Q]: Sentence1: Unfortunately I picked up a small scale on my face. Can this hurt my skin?? 
 Sentence2: I picked up a small facial scale. Do I need to worry?
[EX A]: Similar

[EX Q]: Sentence1: How would you measure how severe pectus excavatum is? 
 Sentence2: I have moderate pectus excavatum. I am worried if it may cause lung or heart related issues. What are the complications of pectus excavatum?
[EX A]:
Dissimilar