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

Mrs. Gleason bent down and whispered to us, “This is a buffet dinner. You help yourselves to some food and eat it in the living room.”

Our family beat a retreat back to the sofa as if chased by enemy soldiers. For the rest of the evening, too mortified to go back to the dining table, I nursed a bit of potato salad on my plate.

What part of the plot is revealed in this excerpt?

an introduction of new characters
a conflict between the Lins and the unfamiliar culture
a conflict between the narrator and her family
a resolution in which the narrator becomes more comfortable