Fill in the blank (_) in the following sentence from the following choices.
Sentence: At school, James found the lessons to be engaging and the buildings to be well equipped. The _ were fun.

Choice 1: At school, James found the lessons to be engaging and the buildings to be well equipped. The lessons were fun.
Choice 2: At school, James found the lessons to be engaging and the buildings to be well equipped. The buildings were fun.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.