instruction:
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.
question:
Sentence1: Can contact dermatitis cause scarring? 
 Sentence2: What are some good ways to get rid of scarring due to contact dermatitis?
answer:
Dissimilar


question:
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?
answer:
Similar


question:
Sentence1: Its 3am and alot is on my mind. Im discouraged because IV been in college for a yr and have completed only half of what most students have done. My dr? 
 Sentence2: What are the common causes of not able to sleep well, having random thoughts, feeling discouraged in college going age groups?
answer:

Dissimilar