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:
Sherlock Holmes:  From a drop of water , a logician can infer the possibility of an Atlantic or a Niagara , without having seen or heard of either _ one _ .

Ex Output:
Atlantic


Ex Input:
Ray Burrows:  Do you know your ass from your elbow , detective ?
Detective Ed Green: I know an ass when I see _ one _ .

Ex Output:
ass


Ex Input:
Alfred Hitchcock - Host:  Good evening . Thank you for being so prompt . I detest being kept waiting . I thought you might be interested in this collection of gift selections . They range from conventional to rare . Here is the ever - popular revolver . It is an excellent means of establishing credit in a strange city . It is equally useful in the removal of unwanted or unsightly persons . Here is a jar of poison mushrooms for those smart alecks who know toadstools when they see them .
Alfred Hitchcock - Host: Here
Alfred Hitchcock - Host: we have a weapon that is primitive but effective . It is guaranteed to be 50% painless . You see it takes two men to operate it and the _ one _ at this end does n't feel a thing .

Ex Output:

men