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

Ex Input:
Sentence: 'Skier in open area of deep snow near trees'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'A cardboard sign is stapled onto a tree on a street'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A tray filled with a plate of food and cups of coffee and orange juice'. Count the number of verbs in this sentence.

Ex Output:

1