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

Ex Input:
Sentence: 'Two girls with painted faces sit on the sidewalk'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'A boy tucks his knees to complete a jump on his skate board'. Count the number of nouns in this sentence.

Ex Output:
5


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

Ex Output:

2