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

Ex Input:
Sentence: 'There is a fire truck pulling in to traffic'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'An orange suitcase sits alone on a city street'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'A couple of cows laying on the grass next to a man wearing bicycle gear'. Count the number of verbs in this sentence.

Ex Output:

2