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: George Feeny:  Look at that !
Alan Matthews: What are you talking about George ? The play 's over .
George Feeny: I 'm talking about the boy in the crowd . Look at the _ one _ holding up the sign .
Alan Matthews: Which one ?
Cory Matthews: The one that says , " Hey Feeny . Nothing is impossible . "

boy