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

Example Input: Sentence: 'THERE IS A BLACK AND WHITE IMAGE OF A ZEBRA EATING GRASS'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A black and white image of a park bench'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'close up of a zebra standing behind some rocks out in the wild'. Count the number of nouns in this sentence.
Example Output:
3