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: Wil Andersen:  Now ... this is the " Double O " , this is Belle Fourche . In between is four hundred miles of the meanest country in the West . And the only way we 're gon na get through is if you take orders . Is that clear ?
School boys: Yes , sir .
Wil Andersen: Bring a bed roll , couple of good ropes , horse if ya got _ one _ . You 'll get the best food in the territory , no rest , damn little sleep . And fifty big silver dollars , IF we make it to Belle Fourche . Now , you 'll show up at my place first Monday after schools out at 5:00 a.m. And come with grit teeth , ' cuz gentlemen , that 's when school really begins .

horse