Fill in the blank (_) in the following sentence from the following choices.
Sentence: Rebecca asked Mary to turn off her phone while in the theater, because _ is being rude.

Choice 1: Rebecca asked Mary to turn off her phone while in the theater, because Rebecca is being rude.
Choice 2: Rebecca asked Mary to turn off her phone while in the theater, because Mary is being rude.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.