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: Columbo:  Well , you 've got some family , Miss Lytton . Everybody thinks I 'm getting ready to arrest them .
Ruth Lytton: Everybody but me .
Columbo: Yes . It 's a relief talking to you . I was beginning to feel like a policeman .
Ruth Lytton: You ARE a policeman - and a good _ one _ . You say a thing when you 're ready to say it and not before .

policeman