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

Ex Input:
Sentence: 'A water fountain shooting up air in front of a building'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'A baseball player holding a bat over home plate'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'A baby kissing a big teddy bear in the house'. Count the number of verbs in this sentence.

Ex Output:
1