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: The Sheriff:  To Zanti after he shackles him to a bed frame : Reckon that 'll hold ya .
John Tobin: I 'm not so sure .
The Sheriff: This is my business . I ai n't never lost a prisoner yet .
Dusty: Heh ... You never had _ one _ to lose .

prisoner