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

Ex Input:
Sentence: 'Two cows that are standing in the grass'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Luggage coming down a carousel at an airport'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'a snowboarder showing off on his snowboard in the air'. Count the number of verbs in this sentence.

Ex Output:

1