TASK DEFINITION: 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: 34 year old male. Graying hair. Has been stressful past year of change in life. Does stress affect this in men? Any advice to slow graying/thinning? 
 Sentence2: I am a young male and have got gray hair. Can I use a hair dye? 

SOLUTION: Dissimilar

PROBLEM: Sentence1: Had liver failure, drs cannot pinpoint source; developed ascites.  How can I improve my liver and kidney function naturally? No meds. 
 Sentence2: Do you have any ideas as to how I can improve my liver and kidney function if I have a failed liver?

SOLUTION: Similar

PROBLEM: Sentence1: I have a burning sensation on the top part of my breast after 2 days of having breast augmentation, is this normal? 
 Sentence2: What are the long term side effects of breast augmentation 

SOLUTION:
Dissimilar