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: Davidson:  Do you know why I 'm so good at my job , Fusco ? I can tell a dirty cop when I see _ one _ .
Detective Lionel Fusco: You should try looking in the mirror .
Davidson: You know , you may think you 've gone clean , found God , Buddha , or some African shaman , but at the end of the day , your hands are still dirty . Always will be . You hear that ?
Detective Lionel Fusco: I do n't hear nothing .
Davidson: That 's right . No sirens , no bullhorns . No one 's coming to save you . No one cares . That guy The one who tells you things He used you , then let you rot like a piece of garbage . Might as well tell me who it is . At least you 'll have the satisfaction of repaying the favor .
Detective Lionel Fusco: You think you 're the first person to put a gun to my head ?
Davidson: No . But I will be the last .
Detective Lionel Fusco: Yeah , maybe you will . You ever been shot ? Craziest things go through your mind . Glad I put on clean underwear , hid that stash of porn . Sorry that your son had to find out that his old man was a dirty cop . Then you realize you 're gon na die . You try to go down doing something good .

cop