Definition: 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: Mrs. Betty Slocombe:  Captain Peacock , I 'm surprised at you . You , a happily married man .
Captain Peacock: Ah , would that be true .
Mrs. Betty Slocombe: Oh , not another one .
Captain Peacock: After fourteen years , you do n't know what it 's like .
Mrs. Betty Slocombe: I did n't know what it was like after _ seven _ .
Output:
years