Answer:
Yes Me
Explanation:
I would like to help what is the beef (problem )
Answer: Fabio's attitude changed because he'd be in the parade.
Explanation: Fabio is excited to be able to participate in the parade. The focus of the question isn't on why he'd be in the parade or how? But on what makes his attitude change. Every other factor mentioned corroborates that he'd be participating in the parade.
Ironic, melancholy, enthusiasm, emotive, evasive
If you need more lmk