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: Is there any interactions between drinking soy milk and taking accutane? Can i drink it when I am on accutane?
Sentence2: I have been using accutane for my acne. Do you think soy milk can worsen my acne?
Example Output: Dissimilar

Example Input: Sentence1: Symmetrical legs & feet; numb, weak & tingly. Painful to walk @rest, both feet throb til they both go "numb". Is this due to my chronic back pain?
Sentence2: I have chronic back pain. Recently I started experiencing numbness, weakness and tingling sensation on both legs and feet, that hurt on walking. At rest, my legs and feet throb until numbness sets in. Is this due to my back ache?
Example Output: Similar

Example Input: Sentence1: What muscles contribute to lower back pain?
Sentence2: I have lower back ache for last few months, that has been getting worse lately. This started when I started working out. I want to understand what muscles attribute to lower back ache so that I can avoid workouts causing strain of these muscles. Can you help me with this?
Example Output:
Similar