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

Ex Input:
Sentence: 'A cardboard sign is stapled onto a tree on a street'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'A spray paint covered fire hydrant on a side walk'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'Young boy in car with looking at laptop with adult driver looking on'. Count the number of nouns in this sentence.

Ex Output:
5