Detailed Instructions: 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.
Problem:Sentence1: What does it mean to have sporadic headaches? 
 Sentence2: I have been experiencing sporadic headaches. What does that indicate?
Solution:
Similar