Which part of freytags pyramid is best represented in this scenario?

The part of Freytags pyramid that best represents the scenario given in the image is: "A, exposition".
Explanation: The Freytags pyramid is a useful tool for a writer to organize their thoughts when describing a drama situation in their story. According to it, a drama is easily separated into 5 parts, these are exposition, rising actions, climax, falling action, and denouement. (In that exact order)
So, that being said, the Exposition of the story is where it says: "Samantha arrived 15 minutes late to her English class..."