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: Is it contraindicated to insert a urinary catheter into a patient who has a myocardial infarction? 
 Sentence2: I am looking for some information- Is it safe to insert a urinary catheter in a patient with myocardial infarction or are there any risks involved?

A: Similar
****
Q: Sentence1: Are braces considered a cosmetic? 
 Sentence2: I was advised to be on braces by my orthodontist when I consulted him for jaw pain. He said my teeth were not aligned properly, that caused strain on jaw while chewing food. I don't want to be on braces. I always thought braces are used only for cosmetic reasons, isn't that true?

A: Similar
****
Q: Sentence1: US=Diffuse thickening+edema of gastrocnemus. MD said its ok, ice it. Is this true? Leg's been hurting a lot for months. Now I limp after >10min walk 
 Sentence2: My leg has been hurting for months and I mostly limp after a 10 min walk. My US indicated diffuse thickening with edema of gastrocnemius. My MD said to ice up the region. Is this okay? 

A:
Similar
****