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

Ex Input:
Sentence: 'a sub sandwich wrapped in some paper and cut in half'. Count the number of nouns in this sentence.

Ex Output:
4

Ex Input:
Sentence: 'A small white and brown dog carrying a red frisbee'. Count the number of nouns in this sentence.

Ex Output:
2

Ex Input:
Sentence: 'An open refrigerator in a home in disrepair'. Count the number of verbs in this sentence.

Ex Output:
0