Fill in the blank (_) in the following sentence from the following choices.
Sentence: School was really quite wonderful for Craig but not for Robert because _ was very lazy.

Choice 1: School was really quite wonderful for Craig but not for Robert because Craig was very lazy.
Choice 2: School was really quite wonderful for Craig but not for Robert because Robert was very lazy.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.