Answer:
Three little letters. A paradox to some. The worse that it is, the better it becomes.
Walk on the living, they donβt even mumble. Walk on the dead, they mutter and grumble
George, Helen, and Steve are drinking coffee. Bert, Karen, and Dave are drinking soda. Is Elizabeth drinking coffee or soda?
What is yellow, looks like the moon and has seeds?
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
People take me on walks and I run and have fun. What am I?