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

Example Input: Sentence: 'A cat laying on top of a bench wearing a collar'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'A group of businessmen and women posing for a picture'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A man in a wet suit holding a surfboard on a beach'. Count the number of nouns in this sentence.
Example Output:
4