Q: 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 done about migraines caused by changes in temperature? 
 Sentence2: Can anything prevent migraines that happen due to sudden change in temperature?
A:
Similar