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

Ex Input:
Sentence: 'A very old style fire truck at the station'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'Two people with dogs walking by a modern building in a city'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'Four bowls, each containing different food, next to an orange'. Count the number of verbs in this sentence.

Ex Output:

1