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.

Dr. Judy Barnett: And how would you define a " normal " family ?
Jack Bristow: I suppose it 's _ one _ in which the family members are n't under orders to lie to each other .
family