Fill in the blank (_) in the following sentence from the following choices.
Sentence: Laura thrived in the sunlight, but Amy preferred the dark, so _ tended to stay outside during the day.

Choice 1: Laura thrived in the sunlight, but Amy preferred the dark, so Laura tended to stay outside during the day.
Choice 2: Laura thrived in the sunlight, but Amy preferred the dark, so Amy tended to stay outside during the day.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.