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: Pushups - should hr or BP drop first? for me the hr drops quick but neck still pulsating very hard so is that dangerous to have low hr and high bp? 
 Sentence2: What is causing me to feel pulsations in my neck while working out? I have also noticed that my HR drops during this time but the BP is still high. Can you explain how this works?
Example Output: Similar

Example 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?
Example Output: Dissimilar

Example Input: Sentence1: What kind of bacteria or viruses does a semen culture detect or look for? 
 Sentence2: What is a semen culture?
Example Output:
Dissimilar