"the sculptor" is an:

infinitive

appositive phrase

adverb phrase

adjective phrase

The phrase "the sculptor" is an appositive phrase.

To determine the answer, we need to understand the definitions and characteristics of each option.

1. Infinitive: An infinitive is the base form of a verb typically accompanied by the word "to." Examples include "to run," "to eat," or "to sleep."

2. Appositive phrase: An appositive phrase is a noun phrase that renames or provides additional information about another noun in the sentence. It usually appears right after the noun it modifies. For example, in the sentence "John, the sculptor, created a beautiful statue," the phrase "the sculptor" is an appositive phrase that provides additional information about John.

3. Adverb phrase: An adverb phrase is a group of words that functions as an adverb, providing additional information about the verb, adjective, or another adverb in the sentence. For example, in the sentence "She worked with dedication," the phrase "with dedication" is an adverb phrase that modifies the verb "worked."

4. Adjective phrase: An adjective phrase is a group of words that functions as an adjective, modifying a noun or pronoun in the sentence. For example, in the sentence "The statue made by the sculptor won an award," the phrase "made by the sculptor" is an adjective phrase that provides more information about the noun "statue."

Given the options and their definitions, we can determine that "the sculptor" is an appositive phrase in the sentence because it renames or provides additional information about another noun (in this case, the noun "John").

"the sculptor" is an adjective phrase.