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: Steven Prince:  We need to be able to differentiate between them , them and us .
Peter Page: Yeah , I think the pronouns are really confusing .
Gary King: I do n't even know what a pronoun is .
Oliver: Well , it 's a word that can function by itself as a noun which refers to something else in the discourse .
Gary King: I do n't get it .
Andrew Knightley: You just used _ one _ .
Gary King: Did I ?
Andrew Knightley: " It " it 's a pronoun .
Gary King: What is ?
Andrew Knightley: It !
Gary King: Is it ?
Andrew Knightley: Christ !

word