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

Ex Input:
Sentence: 'a couple of women play a game of tennis'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A group of brown teddy bears one without a head'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'A vintage photo of a man in a bowler hat feeding a zebra'. Count the number of verbs in this sentence.

Ex Output:

1