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: What kind of bacteria or viruses does a semen culture detect or look for?
Sentence2: Which bacteria and viruses can a semen culture detect?

A: Similar
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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: I have a history of constant headaches since 5 years. Seems like migraines recently. Consulting a local neurologist or an opthalmologist has not helped either.

A: Similar
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Q: Sentence1: What is the definition or description of: activity modification?
Sentence2: What are some exercises and changes to lifestyle that I can do? I'm not sure but the doctor has advised me "activity modification". What does it mean?

A:
Similar
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