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

Ex Input:
Sentence: 'A paraglider hanging from a large blue and yellow kite is suspended over ocean waves'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A man laughs while sitting on a bench'. Count the number of nouns in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A man standing on a hard wood floor next to umbrellas'. Count the number of nouns in this sentence.

Ex Output:

4