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.

Input: Consider Input: Sentence1: How do I tell the difference between an allergy and a sinus infection? 
 Sentence2: Can you tell me some OTC medications for allergies and sinus infection?

Output: Dissimilar


Input: Consider Input: Sentence1: My jaw makes a popping noise when I chew. Is this serious? 
 Sentence2: What can cause a popping sound in the jaw when one chews?

Output: Similar


Input: Consider Input: Sentence1: Could a varicoselectomy or an inguinal hernia cause epididymitis? 
 Sentence2: Can epididymitis be caused because of a varicocelectomy and inguinal hernia?


Output: Similar