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: How likely is a dermoid cyst going to be cancerous? Just had one removed 
 Sentence2: Is there a chance that a dermoid cyst can recur or spread to other parts progressing to cancer?
Dissimilar

Sentence1: So, I have this itchy dark brown mole on my hip, it's sort of red around the edges, I have no idea what's causing it. Any ideas? 
 Sentence2: What can be the reason for an itchy, dark, brown mole on the hip with surrounding erythema? 
Similar

Sentence1: Can orchitis problem effect my digestion or cause drooling ? 
 Sentence2: How is orchitis treated?

Dissimilar