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: Ben Tennyson:  Your son 's the guy trying to take over ? I thought it was the rebels .
King Xarion: The list of those who would have this throne is long , but the prince is the only _ one _ I fear .
Kevin Levin: You ask me , that kid needs a serious time out .

those