Fill in the blank (_) in the following sentence from the following choices.
Sentence: Erin believed abortion was wrong but Laura was pro-choice, so _ did not attend the anti-abortion rally.

Choice 1: Erin believed abortion was wrong but Laura was pro-choice, so Erin did not attend the anti-abortion rally.
Choice 2: Erin believed abortion was wrong but Laura was pro-choice, so Laura did not attend the anti-abortion rally.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.