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

Ex Input:
Sentence: 'a small girl in a white shirt  sitting on a elephant statue'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'large clock mounted to a living room wall'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A parked gray double decker club class bus'. Count the number of nouns in this sentence.

Ex Output:

4