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

Example Input: Sentence: 'Two people riding a surfboard in the open waves'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A very classic bathroom that is decorated in brown and white'. Count the number of nouns in this sentence.
Example Output: 1

Example Input: Sentence: 'A woman and man laying on top of a bench in front of a city'. Count the number of nouns in this sentence.
Example Output:
6