Identify the type of pronoun error in the sentence.

They say we will not be able to afford to own houses in a few years.

reference case agreement

In the sentence "They say we will not be able to afford to own houses in a few years." there's a pronoun reference error. It is unclear who the pronouns they or we are referring to.

Pronouns are used to replace nouns, and it is considered to be a pronoun reference error when the reader is unable to deduce from the text the noun being replaced by the pronoun.