Final answer:
The noun phrase in the sentence is 'the end of the story'.
Step-by-step explanation:
The noun phrase in the sentence 'the end of the story was quite a surprise' is 'the end of the story'.
A noun phrase is a group of words that functions as a noun in a sentence. It includes a noun or pronoun and any modifiers or determiners that come before or after it.
In this sentence, 'the end of the story' is the noun phrase because it consists of the determiner 'the' followed by the noun 'end' and the prepositional phrase 'of the story'.
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