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

Ex Input:
Sentence: 'a small group of fish about to be cleaned'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A yellow fire hydrant sitting next to a manhole with steam pouring out of it'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A person leans backwards against a paraglider's strings'. Count the number of nouns in this sentence.

Ex Output:

3