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

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: 'A tray with a doughnut and a cup of coffee on it'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'two giraffes walking between trees in a zoo setting'. Count the number of verbs in this sentence.
Example Output:
2