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. Jack Hodgins:  Cam , I just want to say I 'm sorry about Jared . I know when you and Booth used to date , he was a big part of your life .
Camille Saroyan: Yeah , he was like a kid brother , the _ one _ that always got into trouble , but he was family .

brother