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.

Example Input: Jerry: So , Puddy , this is a pretty good move for you , huh ? No more " grease monkey " .
David Puddy: I do n't much care for that term .
Jerry: Oh . Sorry , I did n't know ...
David Puddy: No , I do n't know too many monkeys who could take apart a fuel injector .
Jerry: I saw one once that could do sign language .
David Puddy: Yeah , I saw that _ one _ . Uh ... Koko .
Jerry: Yeah , Koko .
David Puddy: Right , Koko . That chimp 's alright . High - five .
Example Output: monkeys

Example Input: Ray: Did you know that the human head weighs 8 pounds ?
Jerry Maguire: Did you know that Troy Aikman , in only six years , has passed for 16,303 yards ?
Ray: D'you know that bees and dogs can smell fear ?
Jerry Maguire: Did you know that the career record for hits is _ 4,256 _ by Pete Rose who is NOT in the Hall of Fame ?
Ray: D'you know that my next door neighbor has three rabbits ?
Jerry Maguire: I ... I ca n't compete with that !
Example Output: record

Example Input: Ernest Pratt: What the heck is that ?
Janos Bartok: Ball lightening .
Huitzilopochtli Ramos: Actually , Aristotle called them fire balls .
Janos Bartok: Thought of by many renounced men of science to be an optical illusion .
Ernest Pratt: Darn good _ one _ , if you ask me .
Janos Bartok: Yeah , I thought it was an optical illusion myself until I saw one appear accidentally by the tower . I determined that it was a resonance of the electromagnetic field . And what you are seeing , for the very first time in the history of man , is ball lightening created artificially .
Ernest Pratt: What can you do with it ?
Janos Bartok: I have no idea . It could change the course of human events . Possibly not . Right now it 's delightfully useless ; and we shall follows this useless research where ever it shall take us !
Example Output:
illusion