Fill in the blank (_) in the following sentence from the following choices.
Sentence: Rebecca wondered how Maria kept so trim , so _ offered her diet and exercise advice.

Choice 1: Rebecca wondered how Maria kept so trim , so Rebecca offered her diet and exercise advice.
Choice 2: Rebecca wondered how Maria kept so trim , so Maria offered her diet and exercise advice.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
1.