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: I do unprotected sex with a prostitute after 28 days I go for hiv duo test the result is non reactive 0.07 is it conclusive? 
 Sentence2: Is a HIV duo test at 28 days after exposure accurate?
Similar

Sentence1: I have a full thickness tear/rupture of the flexor hallucis tendon after bunion surgery 3 mos ago.  It is retracted 2.5 cm. and I cannot bend big toe downward.  What are long term possible problems without ability of my big toe to push downward, to provid 
 Sentence2: What are the complications of a bunion surgery?
Dissimilar

Sentence1: When should someone think about having an arthroscopy of the knee? 
 Sentence2: How is an arthroscopy of the knee done?

Dissimilar