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

Example Input: Sentence: 'A glass bottle used as a vase for twigs'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'a counter that has silverware and glasses on top of it'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'The man walks on the tennis court in front of the audience'. Count the number of nouns in this sentence.
Example Output:
5