Fill in the blank (_) in the following sentence from the following choices.
Sentence: Derrick thought the letter Logan wrote was way too formal, because _ prefers using a casual style.

Choice 1: Derrick thought the letter Logan wrote was way too formal, because Derrick prefers using a casual style.
Choice 2: Derrick thought the letter Logan wrote was way too formal, because Logan prefers using a casual style.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.