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.

Example Input: Sentence1: Rash all over body starts on head itchy but bearable, then spreads all over body rapidly first looks like nettle sting but then turns extremely red ? 
 Sentence2: I was picking weeds in my backyard and noticed an itchy rash all over my body which starts on head and spreads rapidly to the rest of the body, turns very red and looks like stinging nettle or poison ivy. How do I know what it could be? Should I go to the ER?
Example Output: Similar

Example Input: 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?
Example Output: Dissimilar

Example Input: Sentence1: I'm 5-9 160 pounds how do I gain weight fast and healthy in 1 month I want to gain 20pounds or more? 
 Sentence2: Which conditions cause weight gain?
Example Output:
Dissimilar