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.

[Q]: 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?
[A]: Dissimilar


[Q]: Sentence1: What ways/exercises are most effective for getting rid of thigh fat? 
 Sentence2: Exercises have not been helpful with getting rid of thigh fat. What is your recommendation on cosmetic surgeries like lipsuction?
[A]: Dissimilar


[Q]: Sentence1: Are Sympathetic Nerve Blocks effective at calming the sympathetic system which causes angina and migraines? If not, why not? Would seem logical. 
 Sentence2: Does an active sympathetic system cause angina and migraines? Wouldn't nerve blocks help in such cases?
[A]:
Similar