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: 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?
Example Output: Dissimilar

Example Input: Sentence1: Hello I have back spasms that flare up every now and then. I've done heat and ice rotate. Tried naproxen looked at my diet and take vitamins? 
 Sentence2: I have been having intense back spasms and none of the basic measures are helping. What should I do?
Example Output: Similar

Example Input: Sentence1: Sir, my mom and i are unsure if i have herpes or a cold sore any suggestions?? 
 Sentence2: I have developed a painful bump on my lips today. I showed it to my mom also and she thinks that it could be a cold sore. I have recently got sexually active and I do not wnat to get herpes. Are the cold sores caused by herpes and how I can be sure that the sore is not due to herpes?
Example Output:
Similar