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.

Roxy Preston:  How do you know so much about ghosts ?
Jake Griffin: Takes one to know _ one _ .
ghosts

Richard Castle:  Now might be the time for wild military industrial complex theories . And here 's _ one _ . Tanner was about to post super - secret military documents . They took him out with a drone and now they 're covering it up . Which , actually , is n't so wild .
theories

Missy:  And I 'm going to need eight snipers .
Kate Lethbridge-Stewart: Eight what ?
Missy: _ Three _ for each heart and two for my brain stem . You 'll have to switch me off fast before I can regenerate .

snipers