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: What is mecoblamin? What is this medicine usus for?  My mother is diabetic patient, does this medicine useful? Thank you in advance 
 Sentence2: Hey! And update on the numbness and tingling I had in my foot. My doctor thinks it is a nerve issue and prescribed me Vit B12 injections.
Dissimilar

Sentence1: One year old daughter crying for breast feed in night. Eats mild solids well. Not drinking bottle milk . Expects me always around her, else she cries? 
 Sentence2: What's best for a 1 year old, breast milk or bottle milk? 
Dissimilar

Sentence1: How do doctors stop preterm labor? 
 Sentence2: I have a cervical stitch due to a short cervix and was wondering if I would end up with a preterm labor? 

Dissimilar