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

Ex Input:
Sentence: 'A baseball player prepares to catch a ball'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'Buses in a third-world country are colorfully decorated'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'The people are playing video games together in the room'. Count the number of nouns in this sentence.

Ex Output:

4