Fill in the blank (_) in the following sentence from the following choices.
Sentence: Samantha was a safe driver, unlike Natalie. _ had been pulled over for expired tags, and a DUI.

Choice 1: Samantha was a safe driver, unlike Natalie. Samantha had been pulled over for expired tags, and a DUI.
Choice 2: Samantha was a safe driver, unlike Natalie. Natalie had been pulled over for expired tags, and a DUI.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.