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.
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Question: Sentence1: 21 yr female sexually active have an increase in appetite stay hungry and more bowel movements what could be wrong ? 
 Sentence2: Can sexual intercourse stimulate one's appetite and gut movements?

Answer: Dissimilar


Question: Sentence1: Is memory loss related to statins? 
 Sentence2: I have memory loss and I have been on statins for a while. If I take a medication for memory loss, will that medication interact with statins and decrease its effectiveness?

Answer: Dissimilar


Question: Sentence1: How can I get rid of this awful toothache? 
 Sentence2: I had toothache and underwent tooth extraction but still continue to notice the pain. I'm on antibotics and pain medications. Should I go back to the dentist?

Answer:
Dissimilar