instruction:
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.
question:
Sentence1: Sunscreen lotion for african americans with very extremely sensitive skin? 
 Sentence2: I'm a 25 yr old African American girl with an extremely sensitive skin and wanted to see if you had any suggestons for a good sunscreen lotion?
answer:
Similar


question:
Sentence1: If I have an astigmatism , could that be causing daily headaches? I do not wear glasses but i work on a p.C. All day and a lot of bright lighting. 
 Sentence2: What is the treatment for headaches caused by astigmatism?
answer:
Dissimilar


question:
Sentence1: My toenails are a yellow tone and has turned into a bump on my nail I was wondering what I could do. I think it may be a fungal nail possibly. ? 
 Sentence2: What are the symptoms of a fungal nail infection?
answer:

Similar