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.
--------
Question: Sentence1: What to do if I have a archwire that is not connected to one bracket of the damon braces? 
 Sentence2: What are damon braces?

Answer: Dissimilar


Question: Sentence1: Should i be worried about the extreme vaginal air/gas that feels stuck I've been experiencing since my hymen surgery to fix my septate hymen 1 week ago 
 Sentence2: I have a septate hymen. What are the options for me?

Answer: Dissimilar


Question: Sentence1: Help! Rash on right leg, will not go away, doctors can't help, what is it and what do I do now? 
 Sentence2: Can I put petrolleum jelly on a rash on my leg?

Answer:
Dissimilar