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.

Q: Sentence1: Is the candida retested after treatment? 
 Sentence2: How soon should one get tested for Candida after completing treatment?

A: Similar
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Q: Sentence1: My 6mo old niece has a pink round spot on each thigh in the same place. My sister is worried it's ring worm. It doesn't bother the baby any. Thoughts? 
 Sentence2: How long do most birthmarks stay for in infants?

A: Dissimilar
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Q: Sentence1: Why do I have chronic ankle ligament pain for no reason? 
 Sentence2: I have been noticing left ankle pain for a couple of weeks now but do not recollect any injuries. What could be causing the pain?

A:
Dissimilar
****