Fill in the blank (_) in the following sentence from the following choices.
Sentence: Erin went to Jennifer to stylize a wig, but no one was there. _ is a customer.

Choice 1: Erin went to Jennifer to stylize a wig, but no one was there. Erin is a customer.
Choice 2: Erin went to Jennifer to stylize a wig, but no one was there. Jennifer is a customer.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.