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

Ex Input:
Sentence: 'A person smiles as she stands on a skateboard in a crowd with a photographer nearby'. Count the number of verbs in this sentence.

Ex Output:
2

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

Ex Output:
4

Ex Input:
Sentence: 'Hummingbird in flight looking at feeder in daylight'. Count the number of nouns in this sentence.

Ex Output:
3