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

Ex Input:
Sentence: 'a cow that is on the side of a hill'. Count the number of verbs in this sentence.

Ex Output:
1


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: 'A cat standing above a glass jar filled with liquid'. Count the number of verbs in this sentence.

Ex Output:

2