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: I've got a stabbing pain in my groin in scrotum, what would cause this? 
 Sentence2: What does sharp excrutiating pain in the groin and scrotum mean? What can cause this?
Example Output: Similar

Example Input: Sentence1: Is it possible for a seven panel urine drug screen to distinguish between Vyvanse (lisdexamfetamine) and concerta? 
 Sentence2: Hello doctor I am on Vyvanse and Concerta. Is it possible for seven panel urine drug test to distinguish between both?
Example Output: Similar

Example Input: Sentence1: L/4, l/5 laminect foot pain 1year later, foot doc say normal, neurologist say s/1 caus, ortho surgeon say MRI good, neurosur say nerv itself Whoright? 
 Sentence2: What are the symptoms of damage to the L 4-5 vertebra?
Example Output:
Dissimilar