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

Sentence: 'A boy holds a white frisbee with a purple paw print on it'. Count the number of nouns in this sentence.
4

Sentence: 'A person doing tricks on a skateboard about to fall'. Count the number of nouns in this sentence.
3

Sentence: 'A marina filled with sailboats on a sunny day'. Count the number of nouns in this sentence.

3