instruction:
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.
question:
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?
answer:
Dissimilar


question:
Sentence1: Hello I have back spasms that flare up every now and then. I've done heat and ice rotate. Tried naproxen looked at my diet and take vitamins? 
 Sentence2: I have been having intense back spasms and none of the basic measures are helping. What should I do?
answer:
Similar


question:
Sentence1: Is it contraindicated to insert a urinary catheter into a patient who has a myocardial infarction? 
 Sentence2: I am looking for some information- Is it safe to insert a urinary catheter in a patient with myocardial infarction or are there any risks involved?
answer:

Similar