Fill in the blank (_) in the following sentence from the following choices.
Sentence: Joseph was a neat freak and Robert wasn't, which means _ always kept his area nice and clean.

Choice 1: Joseph was a neat freak and Robert wasn't, which means Joseph always kept his area nice and clean.
Choice 2: Joseph was a neat freak and Robert wasn't, which means Robert always kept his area nice and clean.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.