Fill in the blank (_) in the following sentence from the following choices.
Sentence: Sarah always went to the local fresh fruit market unlike Betty because _ lived closer.

Choice 1: Sarah always went to the local fresh fruit market unlike Betty because Sarah lived closer.
Choice 2: Sarah always went to the local fresh fruit market unlike Betty because Betty lived closer.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2. Sarah always went to the local fresh fruit market unlike Betty because Betty lived closer.