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: Why is it that some nutrients bypass the liver entirely? 
 Sentence2: Are all medications absorbed by the liver?
Example Output: Dissimilar

Example Input: Sentence1: Why dose my chest hurt when stretching and coughing plus sneezing? 
 Sentence2: I've been coughing and sneezing a lot, does that mean I have pneumonia?
Example Output: Dissimilar

Example Input: Sentence1: What are obsessive compulsive disorder (ocd) and tourette syndrome? 
 Sentence2: I have Tourettes Syndrome since childhood and I think I have Obsessive compulsive disorder recently. What are the chances for these to coexist?
Example Output:
Dissimilar