Read the excerpt from "Fish Cheeks.”

Then my father poked his chopsticks just below the fish eye and plucked out the soft meat. "Amy, your favorite,” he said, offering me the tender fish cheek. I wanted to disappear.

What is Amy Tan's purpose?

to persuade readers to never eat fish cheeks
to teach readers by describing the taste of fish cheeks
to entertain readers by expressing how embarrassed she felt
to teach readers by providing instructions for using chopsticks