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: When I use the bathroom, my poop are sometimes the size of meat balls or bigger. And it's hard to push I eat fruits vegetables. When using I bleed why? 
 Sentence2: I have constipation on and off and eating meat worsens the bowel movements. I have been using stool softeners and now have diarrhea. What can I do?
answer:
Dissimilar


question:
Sentence1: My 6mo old niece has a pink round spot on each thigh in the same place. My sister is worried it's ring worm. It doesn't bother the baby any. Thoughts? 
 Sentence2: How long do most birthmarks stay for in infants?
answer:
Dissimilar


question:
Sentence1: We can experience health problem due to dental problem like gingivitis? 
 Sentence2: Why do I get recurrent gingivitis?
answer:

Dissimilar