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.
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Question: Lucas 'Luke' Scott:  At this moment there are six billion , five hundred and two million , eight hundred and sixty seven thousand , one hundred and twenty people in the world , give or take a few and sometimes all you need is _ one _ . For better or for worse .

Answer: people


Question: The White Horse:  I normally try and interact with an audience but with _ 800 _ it becomes really difficult but I actually think I managed and that 's an amazing feeling to just see that you 're making an impact .

Answer: audience


Question: Adam Schiff:  Any evidence that this was forcible rape ?
A.D.A. Abbie Carmichael: No .
Adam Schiff: Then where is their motive for murder ?
A.D.A. Abbie Carmichael: Ethan had motive - jealousy ; he had sex with Christy first and comes back and finds her with nick .
Executive A.D.A. Jack McCoy: And nick slept with his fiance 's underage sister , she tells anyone it might put the kibosh on the wedding plans .
Adam Schiff: Two motives , one possible killer , pick _ one _ .

Answer:
motives