TASK DEFINITION: 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.
PROBLEM: Sentence1: How long does it take for sleeping meds to get out of your system? How long does it take anesthesia had to get out of your system. 
 Sentence2: Can sleep medications be used for anesthesia?

SOLUTION: Dissimilar

PROBLEM: Sentence1: What muscles contribute to lower back pain? 
 Sentence2: I lifted heavy weights 2 days ago. I have been expeirencing severe lower back ache ever since. I believe I may have strained my lower back muscles but I am worried it may have caused disc bulge in my lower spine. What could be the chances?

SOLUTION: Dissimilar

PROBLEM: Sentence1: What are the known symptoms of spondylolisthesis? 
 Sentence2: Could you apprise me about the symptoms of spondylolisthesis?

SOLUTION:
Similar