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: George Bluth, Sr.:  Michael , this is my brother . Do you know what it 's like to have a sibling who has no source of income except for you ?
Michael Bluth: Just _ one _ ? No . No idea . It sounds wonderful , though .

brother