Use the paragraph to answer the question. (1) Robert and his brothers always help his dad maintain the family farm every weekend. (2) They all take turns feeding the chickens, milking the cows, and watering the vegetables. (3) Afterward, their dad takes them out for ice cream. (4) After a hard weekend’s work, ice cream is always appreciated! Which sentence contains an error in pronoun use? (2 points)

Sentence 1

Sentence 3

Sentence 4

Sentence 2

Sentence 1: "Robert and his brothers always help his dad maintain the family farm every weekend."

This sentence contains an error in pronoun use. The pronoun "his" should be changed to "their" to match the plural subject "brothers." The corrected sentence should read: "Robert and his brothers always help their dad maintain the family farm every weekend."