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: Faith:  I 'm looking at you , everything you have , and , I do n't know , jealous . Then there I am . Everybody 's looking to me , trusting me to lead them , and I 've never felt so alone in my entire life .
Buffy: Yeah .
Faith: And that 's you every day , is n't it ?
Buffy: I love my friends . I 'm very grateful for them . But that 's the price . Being a slayer .
Faith: There 's only supposed to be _ one _ . Maybe that 's why you and I can never get along . We 're not supposed to exist together .
Buffy: Also , you went evil and were killing people .
Faith: Good point . Also a factor .
Buffy: But you 're right . I mean , I ... I guess everyone 's alone . But being a slayer ? There 's a burden we ca n't share .
Faith: And no one else can feel it . Thank God we 're hot chicks with superpowers .

slayer