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: Dr. Camille Saroyan:  Do you know how many people Booth has shot for his country ?
Dr. Temperance 'Bones' Brennan: Uh , approximately _ 50 _ .
Dr. Lance Sweets: Wow . That 's a lot of blood to have on your hands . I mean that 's the kind of thing that would keep a person up at night .
Dr. Camille Saroyan: And Booth did that , because he trusted that it was right . And who did he trust ?
Dr. Lance Sweets: The government .
Dr. Temperance 'Bones' Brennan: Oh .
Dr. Camille Saroyan: They lied about the murder of the president , they can lie about anything .

people