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.

Input: Consider Input: Sentence1: I very often have dull pain in the lower left abdomen. Although bearable, should I still be concerned due to its frequent occurance and see a doctor? 
 Sentence2: I have lower abdominal pain for some time now. I was diagnsoed with a UTI but did not receive treatment. Could it be returning?

Output: Dissimilar


Input: Consider Input: Sentence1: What does it mean to have sporadic headaches? 
 Sentence2: I have been experiencing sporadic headaches. What does that indicate?

Output: Similar


Input: Consider Input: Sentence1: What is the direction of some legitimate plastic surgeons that deal in cleft lips? 
 Sentence2: Can a normal surgeon also operate on cleft lip? I heard only plastic surgeons can operate on that. 


Output: Dissimilar