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

Ex Input:
Sentence: 'A cat laying on top of a bench wearing a collar'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'An elephant that is walking on some dirt'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A red and white train on a track near an empty platform'. Count the number of nouns in this sentence.

Ex Output:

3