Fill in the blank (_) in the following sentence from the following choices.
Sentence: Billy had to take the exam using only his crayon instead of his pencil because the _ was broken.

Choice 1: Billy had to take the exam using only his crayon instead of his pencil because the crayon was broken.
Choice 2: Billy had to take the exam using only his crayon instead of his pencil because the pencil was broken.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.