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

Example Input: Sentence: 'An open Swiss army knife with multiple attachments'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'The busy street is crowded with people near tall buildings'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A woman playing a game of frisbee on a lush green field'. Count the number of nouns in this sentence.
Example Output:
4