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

Example Input: Sentence: 'A homeless man sleeping on a city bench'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'Nighttime lights and traffic along a city street'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A bedroom that has a window, bookshelf, and a bed'. Count the number of nouns in this sentence.
Example Output:
4