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

Ex Input:
Sentence: 'In flight skateboarder jumping the curb from the sidewalk'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'There's a toilet in a bathroom with a mirror behind it'. Count the number of verbs in this sentence.

Ex Output:
0

Ex Input:
Sentence: 'An old gentleman standing in a field with sheep'. Count the number of verbs in this sentence.

Ex Output:
1