The sentences that contain pronoun shifts are:
- The baker was disappointed when they burned the muffin batch.
- Amanda let everyone know that the colorful quilt was hers.
In the first sentence, "the baker" is a singular noun, but "they" is a plural pronoun, creating a shift. In the second sentence, "everyone" is a singular indefinite pronoun, but it leads to a possessive pronoun "hers," which relates specifically to Amanda. Although less clear, it can be interpreted as a shift from a general idea of a group to a specific individual.