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

Input: Consider Input: Sentence: 'A boy in a wheel chair on a tennis court'. Count the number of nouns in this sentence.

Output: 5

Input: Consider Input: Sentence: 'A group of men leaning over rail as a dog approaches them'. Count the number of verbs in this sentence.

Output: 2

Input: Consider Input: Sentence: 'A crowd of people are playing in the ocean'. Count the number of nouns in this sentence.
Output: 3