Fill in the blank (_) in the following sentence from the following choices.
Sentence: Natalie found more mushrooms when foraging than Sarah because _ had a  duller sense of smell.

Choice 1: Natalie found more mushrooms when foraging than Sarah because Natalie had a  duller sense of smell.
Choice 2: Natalie found more mushrooms when foraging than Sarah because Sarah had a  duller sense of smell.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.