In this task, you need to count the number of nouns/verbs in the given sentence.

Q: Sentence: 'A collection of books and knick-knacks on shelves'. Count the number of nouns in this sentence.

A: 5
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Q: Sentence: 'A orange bus driving down the street carrying passengers'. Count the number of nouns in this sentence.

A: 3
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Q: Sentence: 'A young boy riding a skateboard up the side of a wooden ramp'. Count the number of nouns in this sentence.

A:
4
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