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

Ex Input:
Sentence: 'Four boys in deep concentration as they point their game controllers'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A group of zebra standing in a grass field'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'A small brown bear standing in the dirt'. Count the number of nouns in this sentence.

Ex Output:

2