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 have a twitching feeling and ocasional pain that comes and goes in the upper right abdomen right below my right breast what could this be? Few weeks 
 Sentence2: I had a gall bladder surgery 2 weeks back and have experienced some pain and twitching on the right side. Can it be an infection?

A: Dissimilar
****
Q: Sentence1: I've had problems with cosntant headaches for 5 years, now they are more like migraines, I've see neurologists, eye specialists and no one has helped me? 
 Sentence2: Can you please explain the symptoms of migraine headache?

A: Dissimilar
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Q: Sentence1: My period was black and sticky but is not smelling although have been having irregular menses for two years now? 
 Sentence2: What does a brown to black vaginal discharge mean? Could it be a period?

A:
Similar
****