Read this excerpt from "The All-American Slurp."

Mrs. Gleason kept smiling. "Would you like to try some of the dip, Mrs. Lin? It’s my own recipe: sour cream and onion flakes, with a dash of Tabasco sauce.”

What story element does the author develop in this excerpt?

plot details about the party
character traits of Mrs. Lin
character traits of Mrs. Gleason
setting details about the Gleasons’ house