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

Ex Input:
Sentence: 'A couple of people of surf boards in the ocean'. 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 verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Two yellow and blue fighter jets flying close to each other'. Count the number of nouns in this sentence.

Ex Output:

2