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: Which listerine is best for cavities? 
 Sentence2: I have cavities and which listerine is best for it?
Example Output: Similar

Example Input: Sentence1: I have a headache, dizziness and blurred vision and i just got into a fender bender, should I be worried, and what is this a sign of? 
 Sentence2: I was involved in a motor vehicle accident and since then, I have been having a headache, dizziness, blurred vision. Just worried if these could be signs of something concerning. Please help.
Example Output: Similar

Example Input: Sentence1: How are metabolic rate and free radical production related to human lifespan? What are some medically proven ways to control the metabolic rate and free radical production? 
 Sentence2: Are metabolic rate and free radical production related to human life span? How we can control them? Are there any medical proven ways for that? 
Example Output:
Similar