Fill in the blank (_) in the following sentence from the following choices.
Sentence: James could no longer use his brother's belt on his waist after gaining more weight because his _ is wide now.

Choice 1: James could no longer use his brother's belt on his waist after gaining more weight because his waist is wide now.
Choice 2: James could no longer use his brother's belt on his waist after gaining more weight because his belt is wide now.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.