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: Eve:  Tell me now about entanglement . Einstein 's spooky action at a distance . Is it related to quantum theory ?
Adam: Hm . No I mean , it 's not a Theory it 's proven .
Eve: How does it go again ?
Adam: When you separate an entwined particle and you move both parts away from the other , even at opposite ends of the universe , if you alter or affect _ one _ , the other will be identically altered or affected .
Eve: Spooky . Even at opposite ends of the universe ?
Adam: Yeah .

particle