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

Ex Input:
Sentence: 'There is a fire truck pulling in to traffic'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Two identical images of a female player with tennis racket and ball'. Count the number of nouns in this sentence.

Ex Output:
5


Ex Input:
Sentence: 'The frisbee is in the air in front of a man who is running'. Count the number of nouns in this sentence.

Ex Output:

4