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: 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: If pus in stool is occasionally is there any problem? 
 Sentence2: My stool has pus in it, the doctor thought it to be problematic. I am advised colonoscopy. Is that procedure painful? 
Example Output: Dissimilar

Example Input: Sentence1: What would happen if someone mixed femara (letrozole) with human growth hormones? 
 Sentence2: What are the drug interactions between Letrozole and HGH?
Example Output:
Similar