Fill in the blank (_) in the following sentence from the following choices.
Sentence: Leslie did a better job at fixing hair than Steven because _ had gone to beauty school.

Choice 1: Leslie did a better job at fixing hair than Steven because Leslie had gone to beauty school.
Choice 2: Leslie did a better job at fixing hair than Steven because Steven had gone to beauty school.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.