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: Roland Jackson:  He 's giving us hard data on the life cycles of ghosts as if he 's got scientific proof that they exist .
Kylie: They do .
Roland Jackson: Are you saying you 've seen _ one _ ?
Kylie: I am one . Kidding . But ever since losing my great grandma rose over a year ago , I often sense her presence .

ghosts