Which of the following sentences contains an incorrect pronoun shift?(1 point)

Without the options provided, it is not possible to determine which sentence contains an incorrect pronoun shift. Please provide the options to determine the answer.

Betsy was so excited to get her car back from the mechanic.

Betsy was so excited to get her car back from the mechanic.
Avery and Jerry brought their dad a slice of cake from dinner.
Avery and Jerry brought their dad a slice of cake from dinner.
Joe's grandfather broke his favorite plate in the dishwasher.
Joe's grandfather broke his favorite plate in the dishwasher.
I thought I saw a dog bury their bone under the tree.

The sentence "I thought I saw a dog bury their bone under the tree." contains an incorrect pronoun shift. The pronoun "their" is plural, but the noun "dog" is singular. The correct pronoun to use in this case would be "its", which agrees in number with the singular noun "dog".