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: CO CDR Tom Chandler:  Only one thing I hate more than seeing a submarine on sonar .
XO Mike Slattery: What 's that ?
CO CDR Tom Chandler: * Not * seeing _ one _ .
Example Output: submarine

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: Jane Rizzoli:  Yes ! Done ! Every follow - up report . What 's my price ?
Barry Frost: 2 days off to hang with your boyfriend
Jane Rizzoli: Hm , first days I have taken in a year . BPD owes me a 116
Vince Korsak: That 's nothing , they owe me _ 243 _
Barry Frost: Why are you two competing over who takes the fewest vacation days ?
Jane Rizzoli: Because we 're studs
Barry Frost: So what do you and Casey have planned ?
Jane Rizzoli: Well , he only has 72 hours off , so " nothing "
Example Output:
days