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: Willow:  It 's a text message . Oh , it 's from Xander . It 's one of our signals .
Amanda: Signals ?
Willow: Yeah , the system we set up a while back . Like codes . Uh , this _ one _ 's either " I just got lucky , do n't call me for a while " or " my date 's a demon who 's trying to kill me . "
Kennedy: You do n't remember which ?
Willow: It was a long time ago .
Dawn: Well , if we play the percentages ...
Giles: Something 's eating Xander 's head .
Anya: Say , that 's gratifying .

Signals