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: Colleen Powell:  I want you to do a job for me in the library .
Faye Quin: Library , oh God , I hate books !
Colleen Powell: Really , I heard a rumor you used to run _ one _ ... come on .

library