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

Ex Input:
Sentence: 'A bunch of kids are practicing baseball at the school tracking field'. Count the number of nouns in this sentence.

Ex Output:
6


Ex Input:
Sentence: 'a group of people walking beside a rail train'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A woman preparing to serve a ball thrown high in the air'. Count the number of nouns in this sentence.

Ex Output:

3