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

Example Input: Sentence: 'The bench seat by the window is empty'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'A young blond boy flying a yellow kite'. Count the number of nouns in this sentence.
Example Output: 2

Example Input: Sentence: 'The young boy is trying to practice his skateboarding moves'. Count the number of nouns in this sentence.
Example Output:
2