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: Kevin Ryan:  So Caleb was burned alive because LokSat found out that he switched sides and was working with you ?
Kate Beckett: Yeah , and now LokSat is going after Vikram , Castle , me ; anyone that knows anything about them . So I need you guys to forget everything that you just heard .
Kevin Ryan: Oh , no , afraid we ca n't do that , boss .
Kate Beckett: You guys , LokSat took out my entire A.G. team . I 'm not gon na let that happen to you .
Javier Esposito: And we 're not gon na let you go to war without your two best soldiers .
Kate Beckett: Right now , there 's no war to be fought . Castle and I are probably gon na have to disappear for a while , at least until we find another lead on LokSat .
Javier Esposito: Beckett , we already have _ one _ .
Javier Esposito: Caleb
Javier Esposito: IDed his killer . LokSat 's right hand man . You know what this means ?
Kevin Ryan: Catching Caleb 's killer will put us on a path to LokSat .

lead