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: David Rossi:  You 're ever going to finish this game ?
Dr. Spencer Reid: It 's a tough _ one _ . Playing yourself can be difficult
David Rossi: Playing a ghost even more so ! He 's gone Spencer . Keeping the game going wo n't change that
Dr. Spencer Reid: I know . I just thought that ... maybe I can keep part of him alive if his last game never ended
David Rossi: Neither side will ever win playing like this
Dr. Spencer Reid: He hated goodbyes
David Rossi: Gideon also hated unfinished business , so let 's finish it !

game