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

Ex Input:
Sentence: 'A parking meter in front of a car'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A couple of women walking down a street holding umbrellas'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'Several pizzas sit upon a baking sheet on a counter'. Count the number of verbs in this sentence.

Ex Output:

1