Fill in the blank (_) in the following sentence from the following choices.
Sentence: Matthew was in a lot of debt and Joseph was not because _ liked to spend a lot.

Choice 1: Matthew was in a lot of debt and Joseph was not because Matthew liked to spend a lot.
Choice 2: Matthew was in a lot of debt and Joseph was not because Joseph liked to spend a lot.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.