Fill in the blank (_) in the following sentence from the following choices.
Sentence: Robert had to borrow money from Logan because _ already paid all their credit card payments.

Choice 1: Robert had to borrow money from Logan because Robert already paid all their credit card payments.
Choice 2: Robert had to borrow money from Logan because Logan already paid all their credit card payments.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
1.