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

Ex Input:
Sentence: 'A tennis player getting ready to hit the ball'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A man playing  a game of tennis hitting a ball'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A boy doing a trick with a skateboard on a ramp'. Count the number of verbs in this sentence.

Ex Output:

1