TASK DEFINITION: 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.
PROBLEM: Sentence1: I took 20mg of Prozac (fluoxetine) for 4 days. I have been off of it for 3 days. How long does it take to get out of my system? 
 Sentence2: I have been prescribed 20 mg of Prozac ( fluoxetine)  for 4 days but I think I took 3 tablets in one go. Do you think self induced vomiting can help me to get it out of my system?

SOLUTION: Dissimilar

PROBLEM: Sentence1: What is ovulation and when will female ovulates? 
 Sentence2: I have recently become sexually active and have heard that I should avoid having unprotected sex during ovulation as it can lead to pregnancy. Is that true? How can I know when I would ovulate?

SOLUTION: Similar

PROBLEM: Sentence1: I have chronic hep C. A Dr I don't usually see prescribed metronidazole 500 mg for a bacteria infection. Should I be taking this with the liver issues? 
 Sentence2: Is it safe to take Metronidazole 500 mg when one has liver disease such as Chronic Hep C?

SOLUTION:
Similar