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

Ex Input:
Sentence: 'A few cars in a parking next to a small green van'. Count the number of verbs in this sentence.

Ex Output:
0

Ex Input:
Sentence: 'a counter that has silverware and glasses on top of it'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'A large clock tower stands against a clear sky'. Count the number of verbs in this sentence.

Ex Output:
1