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.

Example Input: Sentence1: Dry, flaky skin on the outer skin of lips all the time. Why does this happen? 
 Sentence2: I have dry, chaped lips with a cold sore. How long does it take to heal?
Example Output: Dissimilar

Example Input: Sentence1: What is best material for bleaching teeth? 
 Sentence2: I inhaled fumes of bleaching powder and I am having headache and nausea. What symptoms do I look for? Is this some thing that warrants an ER visit?
Example Output: Dissimilar

Example Input: Sentence1: Hey! If I stay in the shower a long time my nose starts dripping and running like crazy. I also can begin sneezing time after time. Any idea? Thanks!! 
 Sentence2: My daughter is having dripping nose and sneezing time after time. She is persiting for a shower from along time. Should I allow it? 
Example Output:
Dissimilar