Which sentence contains a pronoun with a vague or ambiguous antecedent? Rachel took her little brother to the playground.

After Jerry dusted his bedroom, he vacuumed.

Doug and Matt painted their model airplanes.

When Alicia picked up her sister, she was tired.

After jerry dusted his bedroom,he vacuumed.

Atahualpaemperor of the inca empire who rose to the throne after winning a civil war between him and his brother.  -he refused to become a spanish vassal or christian.-francisco pizarro kidnapped him and demanded a huge ransom.  -pizarro's secretary described him as "a man of thirty years, good-looking and poised, somewhat stout, with a wide, handsome, and ferocious face, and the eyes flaming with blood."-after the ransom was paid, atahualpa was killed by pizarro