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: What does spinning around do to the brain to cause you to vomit? 
 Sentence2: I have been noticing ringing in the ears, spinning sensation of the head, vomiting and headache. Does it mean something is wrong with my brain?
answer:
Dissimilar


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: Wdoes mecca root pikls make ur buttocks grow bigger and if yes why did i loose inches of my hips n butt when i started taking the pills? 
 Sentence2: Does Mecca Root pills cause weight gain or weight loss especially in the hip and buttock area?
answer:

Similar