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

Example Input: Sentence: 'a cat lays down next to a glass with a straw in it'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A clear view display refrigerator lined with bottles of beer'. Count the number of nouns in this sentence.
Example Output: 5

Example Input: Sentence: 'A couple of people are playing with a frisbie'. Count the number of nouns in this sentence.
Example Output:
3