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

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: 'People are boarding and departing a train at a station'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A kitchen area with a large pot, dove and a wooden cabinet'. Count the number of verbs in this sentence.

Ex Output:

0