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.

Ex Input:
Ted Mosby:  Look , there 's a fine line between love and insanity . It 's the Dobler - Dahmer theory .
Lily Aldrin: Damn , I always forget the little _ one _ !
Ted Mosby: All right . If both people are into each other , a big romantic gesture works . Like Lloyd Dobler holding up the boom box outside Dianne Court 's window in Say Anything . But if one person is n't into the other , the same gesture comes off serial - killer crazy , or Dahmer .

Ex Output:
theory


Ex Input:
Gordie Boggs:  Hey kid ! Move your fat head . I ca n't see the fight .
Sean Dawkins: Sorry , Uncle Billy said these were good seats .
Gordie Boggs: Uncle Billy sucks !
Sean Dawkins: Hey , Uncle Billy lost his right nut in ' nam .
Gordie Boggs: Well kick him in his left nut when you see him . These seats bite !
Sean Dawkins: If you only have _ one _ left , is it still your left nut ?

Ex Output:
nut


Ex Input:
Jackie Burkhardt:  Michael , how come she has a key and I do n't have _ one _ ?
Michael Kelso: Well ... Uhh ... It 's not because nobody wants you to have one . That 's for sure .

Ex Output:

key