Given the task definition and input, reply with output. 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.

Stephanie Tanner: Hi , Daddy !
D.J. Tanner: Hi , Dad .
Danny Tanner: Why is everyone awake ?
D.J. Tanner: I 'll show you .
Stephanie Tanner: I
Stephanie Tanner: 'm ready for school !
Danny Tanner: Honey , you 're ready for the prom .
Stephanie Tanner: You said this would be good .
D.J. Tanner: Hey , if you ca n't have fun with your little sister , then what 's the point of having _ one _ ?
sister