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

Ex Input:
Sentence: 'there are a group elephants that can be seen in the wild'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A group of people march across a field with a red flag'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A bathroom with a large hole in the ceiling, a toilet and tub'. Count the number of verbs in this sentence.

Ex Output:

0