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: Lt. Columbo:  What do you have to do to win one of them things ?
Shooting gallery attendant: Knock down the ducks ten out of _ ten _ .
Lt. Columbo: Yeah , my wife would go for that .
Shooting gallery attendant: Oh , no , sir , Lieutenant . Hey ... hey , you 're a pro .
Lt. Columbo: Aw , forget about it . If I 'm standing on the dock , I could n't hit the water .

ducks