Which sentence contains a pronoun with an unclear antecedent?

• Alicia helped Mia study while she made a snack.
Several people left their sweatshirts at the beach.
• Lisa and Ana made cookies after they got home.
• Nate bought his little brother a birthday present.

1 answer

The sentence that contains a pronoun with an unclear antecedent is:

• Alicia helped Mia study while she made a snack.

In this sentence, it is unclear whether "she" refers to Alicia or Mia.