Fill in the blank (_) in the following sentence from the following choices.
Sentence: Samantha turned their speaker to the loudest volume but not Elena because _ had strong hearing.

Choice 1: Samantha turned their speaker to the loudest volume but not Elena because Samantha had strong hearing.
Choice 2: Samantha turned their speaker to the loudest volume but not Elena because Elena had strong hearing.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.