Fill in the blank (_) in the following sentence from the following choices.
Sentence: The man packed his things in a box instead of a bag because the _ held more items.

Choice 1: The man packed his things in a box instead of a bag because the box held more items.
Choice 2: The man packed his things in a box instead of a bag because the bag held more items.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.