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: When I watch my girlfriend bad words/insults come to my mind and I have to replace them with good ones. There is often words in my mind.Can it be OCD? 
 Sentence2: I feel hatred towards my girlfriend when I see her and can think of abusive words, which I consciously replace with good ones. Is this a symptom of an OCD?
[A]: Similar


[Q]: Sentence1: It's only three it doesn't hurt I might of thought I had touch something it's kind of pink I'm not sure it's freaking me out? 
 Sentence2: How can a mild rash be treated?
[A]: Dissimilar


[Q]: Sentence1: I have a hard small lump, under my skin anterior to my tragus, also have had extremely bad headaches-so bad they wake me in the middle of the night. ? 
 Sentence2: What testing would you recommend for a lump near the ear and recurring headaches?
[A]:
Dissimilar