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: Catherine Willows:  Got anything for me ?
Gil Grissom: Yeah , but I ca n't give it to you . Conflict of interest .
Catherine Willows: Why ?
Gil Grissom: The victim 's an exotic dancer .
Catherine Willows: And because I used to * be * _ one _ , I 'll be biased ?
Gil Grissom: No . The suspect 's your ex - husband .

dancer