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.

[Q]: Sentence1: I am a girl, my cum is a little foamy and thick. stringy too. I have no smyptoms, but is this normal? 
 Sentence2: I think, I have vaginal yeast infection as my cum is little foamy, thick and stringy. Should I see the doctor? 
[A]: Dissimilar


[Q]: 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? 
[A]: Dissimilar


[Q]: Sentence1: I started belching and it smelled and taste like rotten eggs with symptoms of diarrhea watery vomiting what look like red blood and coffee grounds 
 Sentence2: What are the possible causes of blood in vomit?
[A]:
Dissimilar