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

Ex Input:
Sentence: 'A group of men sitting next to each other on a bench'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A steam engine train rumbles down the tracks'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A stop sign in the dessert with signs around the bottom'. Count the number of verbs in this sentence.

Ex Output:

1