Fill in the blank (_) in the following sentence from the following choices.
Sentence: Ryan showed Adam around the house since _ was a real estate agent there to show them a home.

Choice 1: Ryan showed Adam around the house since Ryan was a real estate agent there to show them a home.
Choice 2: Ryan showed Adam around the house since Adam was a real estate agent there to show them a home.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.