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

Example Input: Sentence: 'The display has many towers of stacked cookies next to trays full of cookies'. Count the number of nouns in this sentence.
Example Output: 5

Example Input: Sentence: 'A person is walking down the beach holding a surfboard'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A bath tub with potted plants in it'. Count the number of verbs in this sentence.
Example Output:
1