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

Ex Input:
Sentence: 'A backyard with tables, shade trees, and a stepping stone path'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A group of men sitting next to each other on a bench'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A man with his tennis racket below his waist as the ball moves away from him'. Count the number of verbs in this sentence.

Ex Output:

1