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

Ex Input:
Sentence: 'some street signs sitting by a tree'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'A moose is standing out by a river'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'a doughnut factory is making many doughnuts inside'. Count the number of nouns in this sentence.

Ex Output:

3