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

Ex Input:
Sentence: 'A person on a field swinging a tennis racket'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'Tail end of an airplane waiting on the tarmac'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'A white plate topped with a pile of food'. Count the number of nouns in this sentence.

Ex Output:
3