Fill in the blank (_) in the following sentence from the following choices.
Sentence: Cutting down on sugary beverages was difficult for William, though Aaron found it easy. _ had always liked to drink soda.

Choice 1: Cutting down on sugary beverages was difficult for William, though Aaron found it easy. William had always liked to drink soda.
Choice 2: Cutting down on sugary beverages was difficult for William, though Aaron found it easy. Aaron had always liked to drink soda.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.