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

Example Input: Sentence: 'A baseball player holds a bat in the on deck circle'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A boy in a wheel chair on a tennis court'. Count the number of nouns in this sentence.
Example Output: 5

Example Input: Sentence: 'Two dogs are sitting in the bed of a truck'. Count the number of nouns in this sentence.
Example Output:
3