TASK DEFINITION: In this task, you need to count the number of nouns/verbs in the given sentence.
PROBLEM: Sentence: 'A walking sign glows underneath two street signs'. Count the number of verbs in this sentence.

SOLUTION: 2

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

SOLUTION: 3

PROBLEM: Sentence: 'A man in black shirt doing a trick on a skateboard'. Count the number of nouns in this sentence.

SOLUTION:
4