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 street sign of some sort in the middle of some road'. Count the number of nouns in this sentence.
Example Output: 5

Example Input: Sentence: 'an antique street sign next to an old bicycle'. Count the number of verbs in this sentence.
Example Output:
0