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

Ex Input:
Sentence: 'Two identical images of a female player with tennis racket and ball'. Count the number of nouns in this sentence.

Ex Output:
5


Ex Input:
Sentence: 'Zebra standing in field of tall grasses and trees grazing'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'a cat sitting on a desk with keyboard and a computer mouse'. Count the number of verbs in this sentence.

Ex Output:

1