legend is a folk tale created with fiction based on a historical event. "Hercules" is a good example.
Afable is usually a story where animals are given human qualities and intend to give a lesson to be learned by it. "the tortoise in the hare" is a good example.
That's more of a personal essay question. We're not going to write that for you. Pick a hobby, like reading, sports, video games, etc. that you normally do when you're finished with school work.