Fill in the blank (_) in the following sentence from the following choices.
Sentence: It was hard for Patricia but not Mary to lose weight because _ had healthy eating habits.

Choice 1: It was hard for Patricia but not Mary to lose weight because Patricia had healthy eating habits.
Choice 2: It was hard for Patricia but not Mary to lose weight because Mary had healthy eating habits.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
1. It was hard for Patricia but not Mary to lose weight because Patricia had healthy eating habits.