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: Is there a difference between inositol pills and powder? 
 Sentence2: Could you explain to me the use of Inositol?
answer:
Dissimilar


question:
Sentence1: Is a brain injury/ brain damage considered to be the same as a mental illness? 
 Sentence2: May I know if brain injury and damage is same as mental illness?
answer:
Similar


question:
Sentence1: I'm 42 female with lower back pain what could it be? 
 Sentence2: What could cause low back pain in a 40 year female?
answer:

Similar