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: 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?
answer:
Dissimilar


question:
Sentence1: Anyone have any dietary suggestions for a 10 year old with gastritis? 
 Sentence2: Is there any medication for gastritis for a 10 year old child?
answer:
Dissimilar


question:
Sentence1: I need some tips on how to reduce abdominal fluid retention? 
 Sentence2: What are the causes of abdominal fluid retention?
answer:

Dissimilar