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: 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 _ .

motives