Fill in the blank (_) in the following sentence from the following choices.
Sentence: Erin was better at driving than Kayla although _ had taken a driver's safety class at school.

Choice 1: Erin was better at driving than Kayla although Erin had taken a driver's safety class at school.
Choice 2: Erin was better at driving than Kayla although Kayla had taken a driver's safety class at school.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2. The sentence should read "Erin was better at driving than Kayla although Kayla had taken a driver's safety class at school