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: Shawn Hunter:  Mr. Feeny . I 'm sure if you recall the pain of being stabbed in the back by the girlfriend ...
Topanga Lawrence: I did n't stab him ! He stabbed me !
Cory Matthews: Oh , I 'd stab myself before stabbing you ! Kenny , give me your pencil !
Kenny: I do n't have _ one _ !

pencil