Select the pronoun whose antecedent is their niece.

The Logans told me that their niece is studying biology at the University of Florida.
After graduation, she wants to study insects in the Amazon rainforest.

The pronoun whose antecedent is "their niece" is "she".

Select the one adverb.

Dana is anxiously awaiting the result of her interview with the electronics company.

The adverb in the sentence is "anxiously".