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

Ex Input:
Sentence: 'An orange suitcase sits alone on a city street'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'A clock on a red building letting people know the time'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'a school bus parked in front of a church'. Count the number of verbs in this sentence.

Ex Output:

1