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: Hedonism Bot:  Ah , Fry , congratulations . Your latest performance was as delectable as dipping my bottom over and over into a bath of the silkiest oils and creams .
Fry: Thank you , sir . That 's exactly what I was going for .
Hedonism Bot: You were the sole diversion in what has been a pale and unamusing season , and so I would fain commission you write an opera .
Fry: But I 've never written an opera .
Hedonism Bot: And I 've never heard _ one _ . Still , if you can keep me amused through the overture I shall consider it a smashing success .

opera