Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Krusty the Clown:  Look at this list of words they wo nt let me say on the air .
Bart Simpson: Oh , all the good ones . Hmm , I never even heard of number nine .
Krusty the Clown: It 's doing thirteen while she 's elevening your _ five _ .

list