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: Pain in the right leg that goes and goes, sometimes on the side, sometimes in the groin. Burns behind the knee and gets worse with cold. What can be? 
 Sentence2: I have on & off pain on the side of right leg and sometimes in the groin. I also experience burning sensation behind the knee, that gets worse when I am cold. What could be the cause?

Output: Similar


Input: Consider Input: Sentence1: What might cause a slightly dilated common bile duct when all of the other organs look good? 
 Sentence2: What can be done if the common bile duct is dilated?

Output: Dissimilar


Input: Consider Input: Sentence1: I had back surgery 3 years ago and left with numbness in right leg and hip area. Could this treatment help me? L3-5 fusion with hardware 
 Sentence2: Can one have pain and numbness after a back surgery?


Output: Dissimilar