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 giraffe standing next to a stone wall'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'We can see the shutters on the house in the rear view mirror'. Count the number of verbs in this sentence.
Example Output:
1