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

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 blue and silver motorcycle parked on a beach'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A man wearing sun glasses, a tie and a suit'. Count the number of verbs in this sentence.
Example Output:
1