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: Can stem cell research help diseased arteries? 
 Sentence2: I have heard stem cell research can help with diaseased arteries. In what other avenues can stem cell reaserch help? 

Output: Dissimilar


Input: Consider Input: Sentence1: What is best material for bleaching teeth? 
 Sentence2: I inhaled fumes of bleaching powder and I am having headache and nausea. What symptoms do I look for? Is this some thing that warrants an ER visit?

Output: Dissimilar


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