how can I do a summative assessment of the video clip from Frazier, using knowledge about nonverbal

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Question:

how can I do a summative assessment of the video clip from Frazier, using knowledge about nonverbal communication to identify, describe, and analyze each of Nile's nonverbal messages? Funny Scene From Frasier - Niles Causes Fire "Silent Scene

List each observed nonverbal behavior
Categorize that behavior as one or more types of nonverbal communication as covered in the course material
Explain why that behavior belongs in those categories (ies)
Be thorough and specific in your descriptions and analyses
Consult any relevant material to help you articulate your points

https://youtu.be/EpImet3Xwgw