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

[Q]: Sentence: 'A orange bus driving down the street carrying passengers'. Count the number of nouns in this sentence.
[A]: 3


[Q]: Sentence: 'A man sleeping on a wooden bench next to a bag of luggage'. Count the number of nouns in this sentence.
[A]: 4


[Q]: Sentence: 'Two red trains traveling next to each other next to a lush green hillside'. Count the number of nouns in this sentence.
[A]:
2