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

Ex Output:
4


Ex Input:
Sentence: 'A man looking at a paper while wearing a small tie'. Count the number of verbs in this sentence.

Ex Output:

2