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.

Input: Consider Input: Phoebe Terese:  I know Arnold likes rocks , but do you really think he 'd swallow _ one _ ?

Output: rocks


Input: Consider Input: Dave:  How about now ?
Private: Hurray !
Classified: Yes ! Way to go , looks fantastic !
Dave: Excellent ! Now , where was I ?
Kowalski: Dave !
Short Fuse: Grrrr !
Dave: Greetings , North Wind . I see you 've met my old zoo - mates .
Skipper: We were never " mates . " There was no mating .
Classified: Turn yourself in , David . You are powerless now that I have stolen your precious Medusa Serum .
Skipper: What ? You did n't steal that !
Classified: It 's over .
Dave: It 's over ? Then ... why did I call you ? Wierd . OH ! Maybe it was to show you * this * !
Kowalski: That is a lot of serum for four penguins .
Dave: Oh , you thought this was just about you _ four _ ? No , no - no - no - no . We 're just getting started . Now , if you will excuse me , I have to go do some shopping ... FOR REVENGE ! Wait . How do you ... ?
Dave: What
Dave: do I push ?
Dave: Is
Dave: it the red , or ...
Dave: I
Dave: thought it was ... it 's not this -

Output: penguins


Input: Consider Input: Diane Chambers:  Frasier , listen to me . Sam needs my help in the bar . If you feel any spark of jealousy , please let me assure you I could work side by side with this man for the rest of my life and feel nothing .
Sam Malone: Work ? Hell , I could live in the same house with her and never be tempted .
Diane Chambers: I could sleep in the same bed , and get nothing but a good night 's rest .
Sam Malone: I could get out of jail after twelve years , serve on a ship with an all male crew for another _ four _ , be dropped off on a desert island for another three eating nothing but raw oysters , and if Diane were to walk out of the surf naked one day , all I 'd want from her are the hockey scores .
Diane Chambers: And you would n't even get that .
Frasier Crane: I 'm afraid that 's not good enough .


Output: years