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: Joshua Thayer:  It 's extremely kind of you , Mr. Maverick , but why do you bother ? No one else does .
Bret Maverick: Percentage ... I 'm a gambler .
Joshua Thayer: Then you ought to be able to recognize ace - deuce when you see _ one _ .
Bret Maverick: There
Bret Maverick: 's always a natural at the bottom .
Output:
ace