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

Ex Input:
Sentence: 'A man on skies going through the woods'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'A bird with a long beak wades in algae-covered water'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A group of people seated on the ground and holding black and white "WWF" umbrellas over their heads'. Count the number of nouns in this sentence.

Ex Output:

5