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

Ex Input:
Sentence: 'Three slices of thin pizza next to two bottles of wine'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'a white horse is gazing across the field'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A man is sitting on top of a horse in the road'. Count the number of verbs in this sentence.

Ex Output:

1