Vanessa’s dog, a black Labrador retrievers, won the blue ribbon at the show

This question is incomplete. Here's the complete question.

Identify the word the underlined appositive or appositive phrase in the following sentence modifies.

Vanessa’s dog, a black Labrador retriever, won the blue ribbon at the show

Vanessa’s dog

Explanation:

An appositive noun or noun phrase presents information that better defines a different noun or noun phrase.

As long as the appositive is restrictive, meaning that provides fundamental information, the appositive noun or noun phrase should be enclosed by commas.

In this example, the appositive phrase a black Labrador retriever provides information that helps better identify the sentence’s subject noun, Vanessa’s dog.

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explanation: