Fill in the blank (_) in the following sentence from the following choices.
Sentence: The adult was unable to put the cookie sheet in the oven, because the _ was too large.

Choice 1: The adult was unable to put the cookie sheet in the oven, because the oven was too large.
Choice 2: The adult was unable to put the cookie sheet in the oven, because the sheet was too large.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.