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.

Sentence1: Has anyone else had nasty side effects from taking alendronate/fosamax for osteoporosis? 
 Sentence2: I have been prescribed alendronate/fosamax for ostoporosis. Does these medication gives you side effects? Has anyone from your practice has reported about them?
Similar

Sentence1: What is mecoblamin? What is this medicine usus for?  My mother is diabetic patient, does this medicine useful? Thank you in advance 
 Sentence2: Hey! And update on the numbness and tingling I had in my foot. My doctor thinks it is a nerve issue and prescribed me Vit B12 injections.
Dissimilar

Sentence1: Can I get an std, such as HIV from mutual materbation with my partner? Cum touched clit but didn't go inside vagina and also touched a cut on my hand 
 Sentence2: I got tested for HIV after 3 weeks after having unprotected intercourse. Is my test accurate?

Dissimilar