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: 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: What can I do about low back pain and stiffness during and after bending over? 
 Sentence2: Can you help me with some measures for lower back pain and stiffness, more so on bending?

SOLUTION: Similar

PROBLEM: Sentence1: I have a warm & irritated uretha and clitoris lately I have to urine a lot. I think I have a UTI or a yeast infection. Can you cure your own UTI? 
 Sentence2: How can I differentiate between a STD and a UTI?

SOLUTION:
Dissimilar