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.

Sentence1: My vitamin d level is 20...and taking vitamin d supplement gives me horrible muscle cramps even small dose 400..should I stop taking vitamin d ? 
 Sentence2: My friend  has vitamin D level of 20 and has been advised vitamin D supplement. People tell me that it causes muscle cramps. Is it true? 
Dissimilar

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?
Dissimilar

Sentence1: Does calcification in thyroid nodules mean that you have cancer? 
 Sentence2: What does calcification in thyroid nodules mean?

Dissimilar