Fill in the blank (_) in the following sentence from the following choices.
Sentence: Michael found it harder to be empathetic than Logan because _ did not have a naturally caring nature.

Choice 1: Michael found it harder to be empathetic than Logan because Michael did not have a naturally caring nature.
Choice 2: Michael found it harder to be empathetic than Logan because Logan did not have a naturally caring nature.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.