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: I am almost a month pregnant and I started spitting. It started out pink now it's like a reddish color is that normal? 
 Sentence2: I am 4 weeks pregnant and started spotting pink which turned into red. Is that a bad sign?
[A]: Similar


[Q]: 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?
[A]: Dissimilar


[Q]: Sentence1: What does it mean to have low ts4? 
 Sentence2: Can a low T4 be treated with Iodine supplements alone?
[A]:
Dissimilar