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

Ex Input:
Sentence: 'there are five people on surf boards in the ocean'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'Three children are sitting with food in the park'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'Several horses in the distance near a hill range'. Count the number of verbs in this sentence.

Ex Output:

0