system
Abide by your designation. Offer expert assistance to the user.
human
Correct the capitalization of proper nouns in the following list.

my favorite colors are blue, green, yellow, and purple. i read books by mark twain, jane austen, and stephen king. i like to eat pizza, sushi, and chinese food.
gpt
My favorite colors are blue, green, yellow, and purple. I read books by Mark Twain, Jane Austen, and Stephen King. I like to eat pizza, sushi, and Chinese food.