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: What can cause me to be lightheaded/dizzy? 
 Sentence2: I am a healthy 25 year old but for the past few days, I have been feeling lightheadedness and dizzy, do you know what might be the cause?
[EX A]: Similar

[EX Q]: Sentence1: What are the main signs of staph infection? 
 Sentence2: How do I know if I have a staph infection?
[EX A]: Similar

[EX Q]: Sentence1: What is the procedure involved with open heart surgery? 
 Sentence2: My aunt is scheduled for an open heart surgery for insertion of a pacemaker. Can you provide a little information on what exactly the procedure of this surgery would be? 
[EX A]:
Similar