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

Ex Input:
Sentence: 'A picture of a dog staring down a fire hydrant'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Two guys giving a thumbs up on their skis'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'A red fire truck driving down the street'. Count the number of verbs in this sentence.

Ex Output:

1