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:
Willa McPherson: I broke a promise .
Brent Barrow: Which one ? There are only three , sweetheart . The check is in the mail . This will only hurt a little .
Willa McPherson: That 's _ two _ . What 's the third ?
Brent Barrow: I wo n't come in your mouth .
Willa McPherson: But I want you to .

Ex Output:
promise

Ex Input:
Malaya Pineda: You have certain risk factors we have to consider . For _ one _ , you have emphysema .
Dorothy: I smoked for forty years . I 'm no quitter !

Ex Output:
factors

Ex Input:
Maxwell Smart: Three months ago we had an open and shut case against Mondebello . Not only would he have gone to the electric chair , but he would have lost his booking franchise besides . Unfortunately , just before the trial , our key witness was murdered .
Ann Ferris: Were you on that case , Mr. Smart ?
Maxwell Smart: No , the Chief bungled that _ one _ himself .

Ex Output:
case