Fill in the blank (_) in the following sentence from the following choices.
Sentence: The part of the graduation ceremony where diplomas were handed out felt long and the part where they threw the hats felt brief, because the _ were fun.

Choice 1: The part of the graduation ceremony where diplomas were handed out felt long and the part where they threw the hats felt brief, because the diplomas were fun.
Choice 2: The part of the graduation ceremony where diplomas were handed out felt long and the part where they threw the hats felt brief, because the hats were fun.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2. The part of the graduation ceremony where diplomas were handed out felt long and the part where they threw the hats felt brief,