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

Ex Input:
Sentence: 'A giraffe with many spots standing in a field'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'The street is barred for a train to pass'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'An arrangement of brightly-colored flowers in a vase'. Count the number of verbs in this sentence.

Ex Output:

1