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

Ex Input:
Sentence: 'a couple people that are walking across the road'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'two people in a field near a tree with a frisbee'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'An old, rickety wooden  bench near the woods'. Count the number of nouns in this sentence.

Ex Output:

2