Fill in the blank (_) in the following sentence from the following choices.
Sentence: Betty always wasted money while Rebecca maintained a budget, so _ rarely bought needless things.

Choice 1: Betty always wasted money while Rebecca maintained a budget, so Betty rarely bought needless things.
Choice 2: Betty always wasted money while Rebecca maintained a budget, so Rebecca rarely bought needless things.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
1.