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: Leonard Hofstadter:  It 's nice that they 're getting along .
Raj Koothrappali: Your girlfriend and your ex-girlfriend hang out together ? Oh yeah . That can only be good for you .
Leonard Hofstadter: What are you talking about ?
Raj Koothrappali: One of them broke up with you ; do you really want her telling the other _ one _ why ?
Leonard Hofstadter: I do n't care . I do n't have anything to hide .
Raj Koothrappali: Good , good . Then you 've nothing to worry about .
Leonard Hofstadter: No . I do not .
Leonard Hofstadter: You
Leonard Hofstadter: are a mean little man !
Raj Koothrappali: You 'd think it 'd be because my parents did n't love me , but actually they loved me a great deal .

girlfriend