instruction:
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: Why is my period blood dark brown, stopped after 4 hrs. Is this a period? 
 Sentence2: What does brown vaginal discharge mean?
answer:
Similar


question:
Sentence1: Can seroquel (quetiapine) cause gerd? 
 Sentence2: How does seroquel (quetiapine) work?
answer:
Dissimilar


question:
Sentence1: Have pain up and down left leg and left foot. I've been keeping it elevated all day. I hope its not a blood clot. I also took three Bayer aspirins.? 
 Sentence2: I was diagnosed with a blood clot in the leg recently... What precautions should I be taking for the same? And how can I prevent it in the future?
answer:

Dissimilar