Read the sentence from an interpretive literary analysis. Amy Tan describes Jing-mei's mother's efforts to get her to become a prodigy: "I soon found out why Old Chong had retired from teaching piano. He was deaf."

Which revision of this sentence most accurately uses a literary term?

Amy Tan points out the allusion in Jing-mei's mother's efforts to get her to become a prodigy: "I soon found out why Old Chong had retired from teaching piano. He was deaf."
Amy Tan points out the irony in Jing-mei's mother's efforts to get her to become a prodigy: "I soon found out why Old Chong had retired from teaching piano. He was deaf."
Amy Tan points out the imagery in Jing-mei's mother's efforts to get her to become a prodigy: "I soon found out why Old Chong had retired from teaching piano. He was deaf."
Amy Tan points out the theme in Jing-mei's mother's efforts to get her to become a prodigy: "I soon found out why Old Chong had retired from teaching piano. He was deaf."