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

Ex Input:
Sentence: 'A big stuffed bear sitting in a chair with some lights near'. Count the number of nouns in this sentence.

Ex Output:
3

Ex Input:
Sentence: 'A person is walking down the beach holding a surfboard'. Count the number of nouns in this sentence.

Ex Output:
3

Ex Input:
Sentence: 'two plates with a chicken meal and vegetables'. Count the number of nouns in this sentence.

Ex Output:
4