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: Louis B. Mayer: I haven't destroyed a monster , I 've created _ two _ .
Example Output: monster

Example 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 !
Example Output: silos

Example Input: Margo: I remember earlier you said you have no memory . The thing is memories build up and ... The time that we spent together will become _ one _ ... I beg you ... Do n't forget about me ! Over coming the ruin is a fight that ca n't be won ... But not being remembered ... By anyone ... Would be a great tragedy ... All I had ever wanted in life ... Was to ... Leave my own color ... On my city ...
Example Output:
memory