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

Ex Input:
Sentence: 'a couple of kids are playing a soccer game'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'People are playing in the water in front of some hills'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A group of old men sit on public benches'. Count the number of nouns in this sentence.

Ex Output:

3