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

Ex Input:
Sentence: 'Two cows that are standing in the grass'. Count the number of nouns in this sentence.

Ex Output:
2

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: 'A man working on a small circuit board'. Count the number of nouns in this sentence.

Ex Output:
3