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.

NCIS Special Agent Timothy McGee:  Hey Boss ?
NCIS Special Agent Leroy Jethro Gibbs: Yes , McGee ?
NCIS Special Agent Timothy McGee: You ever lost a fight ?
NCIS Special Agent Leroy Jethro Gibbs: Not sure I even ever won _ one _ .
Abby Sciuto: Definitely a Gibbs clone .
fight

Claudius:  Grandmother ... who killed Marcellus ?
Livia: I
Livia: did . The empire needed Agrippa more then it needed Marcellus . And then I poisoned Agrippa later because I knew that his wife was in love with Tiberius , but if Tiberius married her Augustus would make him emperor . My son botched that up of course ...
Claudius: And Julia 's sons by Agrippa , how did they die ?
Livia: Gaius I had poisoned while he was in Syria .
Claudius: You have a long reach .
Livia: The empire is very large , I need _ one _ . Lucius was drowned in a boating accident arranged by his friend Platius .
Claudius: And ... Postumus ?
Livia: You
Livia: were really fond of him were n't you ?
Claudius: Yes , grandmother .
Livia: He was useless . I had to get rid of Postumus ; he was a threat to Tiberius . Besides , he knew I had his mother banished .
reach

Stan:  All right . Will you donate one of your kidneys to Kyle ?
Cartman: No no no no no , no no no no no ...
Stan: You only need _ one _ , fat boy !
Cartman: ... no no no no no no no no no no no ...
Stan: Dude , one of your friends is gon na die . Do n't you see how serious this is ?
Cartman: HEY ! THAT SON OF A BITCH ! Okay , asshole , give me back my kidney !
Stan: Dude , please , Kyle needs it !
Cartman: It 's mine ! Not yours , mine ! Give it back right now or there 's gon na be hell to pay !

kidneys