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

Example Input: Sentence: 'A person wipes out on their surfboard in the ocean'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A man playing  a game of tennis hitting a ball'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'an gray iron direction sign a window and a brick building'. Count the number of nouns in this sentence.
Example Output:
5