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:
Mr. Freeze:  After I 'm through with this little business , I 'm going to execute my plan for the greatest ice crime in history that will destroy all of Gotham City in a few minutes . And there 'll be no Batman und Robin to stop me . And then , my darling Miss Iceland , you 're temperature will be down to my temperature and you will become Mrs. Freeze .
Miss Iceland: Never ! Not if I live to be a hundred ... below _ zero _ . I 'll never marry you .

Ex Output:
temperature


Ex Input:
The Doctor:  Those shields wo n't hold them there for long .
Briggs: They 'll last until we 're back to Earth .
The Doctor: And then ?
Briggs: There 's only a few of them : our security men will cope with them .
The Doctor: They 're an invasion force , Earth is where they want to go . There are considerably more than a few on board .
Adric: How many of these silos are you carrying ?
Briggs: Oh , _ fifteen _ thousand or ...
Briggs: No
Briggs: . It 's not possible !

Ex Output:
silos


Ex Input:
Gene Siskel:  Armstrong told me that of all the space movies he liked " _ 2001 _ " the best , that it did a remarkable job of communicating what living and traveling through outer space is actually like . What a remarkable and impressive compliment for a great movie .
Roger Ebert: That must be the best review that Stanley Kubrick has ever gotten for " 2001 " .

Ex Output:

movies