Given the task definition and input, reply with output. 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 a?Multi cystic pancreas? 
 Sentence2: My neighbor was diagnosed with multicystic pancreas but literature says it is very rare. Is that true? What exactly causes it?

Similar