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: I came on my period two time last month this month my boyfriend came inside me and I'm bleeding 4 days after we had sex? 
 Sentence2: Can we have sex if I am bleeding?
answer:
Dissimilar


question:
Sentence1: What are the main signs of staph infection? 
 Sentence2: How do I know if I have a staph infection?
answer:
Similar


question:
Sentence1: Is a four week negative HIV antibody test / negative PCR test reliable? 
 Sentence2: When is the right time to undergo the HIV antibody test and PCR test?
answer:

Dissimilar