Answer:
I can be sweet or sour. I do not rhyme with any other word
I love to twist and dance. Though wingless I fly high up into the sky.
I sit in a corner while traveling around the world. What am I?
Four leaves I have.
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
The answer I give is yes, but what I mean is no. What was the question?