Fill in the blank (_) in the following sentence from the following choices.
Sentence: Bill's new comforter would not fit inside his old washing machine, the _ was too narrow.

Choice 1: Bill's new comforter would not fit inside his old washing machine, the machine was too narrow.
Choice 2: Bill's new comforter would not fit inside his old washing machine, the comforter was too narrow.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.