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

Ex Input:
Sentence: 'A walking sign glows underneath two street signs'. Count the number of verbs in this sentence.

Ex Output:
2


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 group of skate boarders are preparing to perform for a crowd'. Count the number of verbs in this sentence.

Ex Output:

2