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

Ex Input:
Sentence: 'A woman on skis coming down a slope'. Count the number of verbs in this sentence.

Ex Output:
1


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

Ex Output:
0


Ex Input:
Sentence: 'THERE IS A BLACK AND WHITE IMAGE OF A ZEBRA EATING GRASS'. Count the number of nouns in this sentence.

Ex Output:

2