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: Is it safe to take a probiotic while breastfeeding? 
 Sentence2: I have some diarrhea but I am breatsfeeding my 6 month old, so I want to avoid any antibiotics, but are probiotics safe?

A: Similar
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Q: 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?

A: Similar
****
Q: Sentence1: My period is a week early and heavier then usual what could that mean? 
 Sentence2: What can cause an early period with heavy bleeding?

A:
Similar
****