Fill in the blank (_) in the following sentence from the following choices.
Sentence: Brian is studying hard to become a firefighter so Logan will be proud of them, but _ wonders if it is enough.

Choice 1: Brian is studying hard to become a firefighter so Logan will be proud of them, but Brian wonders if it is enough.
Choice 2: Brian is studying hard to become a firefighter so Logan will be proud of them, but Logan wonders if it is enough.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.