Fill in the blank (_) in the following sentence from the following choices.
Sentence: Mary's new mac book computer would not fit into her old computer carrying case, the _ was too narrow.

Choice 1: Mary's new mac book computer would not fit into her old computer carrying case, the computer was too narrow.
Choice 2: Mary's new mac book computer would not fit into her old computer carrying case, the case was too narrow.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.