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:
Riley Finn:  Talk to me , Forrest .
Forrest Gates: Signal 's somewhere in this neighborhood . Estimate within a two - block radius .
Willow Rosenberg: It
Willow Rosenberg: feels , and looks , like the ionizing spell is wearing off .
Xander Harris: Giles ?
Rupert Giles: I 've got it . I 've got it !
Riley Finn: Okay
Riley Finn: ,
Riley Finn: we want to keep the hostile contained , so no one is to make a move without my ...
Forrest Gates: Wait . Signal 's cleared up . There .
Riley Finn: Let 's go !
Rupert Giles: Go !
Riley Finn: What
Forrest Gates: ?
Forrest Gates: It 's on the move .
Riley Finn: Heading ?
Forrest Gates: Straight at us . Forty meters and closing . Moving fast .
Graham Miller: In broad daylight ?
Riley Finn: Look alive , people . Weapons at the ready .
Forrest Gates: Twenty - five meters ... twenty ... fifteen .
Riley Finn: Where ?
Forrest Gates: To the left . Ten meters ... _ five _ !
Riley Finn: Anyone ?
Graham Miller: I got nothing .
Forrest Gates: This does n't make sense . It went right past us .

Ex Output:
meters


Ex Input:
Marv:  Since I 've known you , you 've lured me to Miami , you blackmailed me , forced me to lie to the U.S. government . Not exactly a foundation of trust .
Michael Westen: Maybe
Michael Westen: it 's time to build _ one _ .
Marv: Oh , please . I 've seen your file . When there 's that much smoke , there 's usually a flame or two .
Michael Westen: That file is a lie . I did n't do those things .
Marv: Ah , maybe you did , maybe you did n't . But we both know that you 're never gon na get back in unless you 've got a heaping pile of new evidence . And here you are with a shovel .
Michael Westen: You think I 'm lying about this list ?
Marv: I think I ca n't take the chance . Look , I 'll vouch for you on this thing , OK ? I 'll hand you off to my superiors . You 're gon na have to go on the record about the people who burned you , and I 'm talking about every contact you 've made with them .
Michael Westen: That would be very dangerous , Marv - for me , for you . If the people who burned me found out we 're talking ...
Marv: This is n't negotiable . I 'm not gon na be your errand boy unless I can strap you to a polygraph , get all my questions answered .
Michael Westen: You want to put * me * on the box ?
Marv: Twenty - seven years in counterintelligence , you think that I ca n't spot somebody 's who 's trying to beat a polygraph ? Look , I 'll verify and source all you got - the whole nine yards . But if you 're not willing to do this ...
Michael Westen: You want to do this now ? Or you want to finish your mojito ?

Ex Output:
foundation


Ex Input:
Eric Carter:  Rebecca , it 's Carter . Ben got away . Please tell me you 're still tracking him .
Rebecca Ingram: We were . He left the construction site heading east , but we lost him on 13th .
Eric Carter: I found out why Bin - Khalid 's people wanted the strongbox . Inside there was a flash drive containing a list of sleeper cells that Bin - Khalid set up here , along with all the codes to trigger their attacks . It looked like _ fifteen _ , maybe twenty cells , but I did n't have the list for very long . He said he 'll sell it to the terrorists if we do n't give him what he wants . I 'm still waiting to find out what that is .
Rebecca Ingram: Do you believe he 'd really do that ?
Eric Carter: He 's angry and he 's unstable . I do .

Ex Output:

cells