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

Ex Input:
Sentence: 'A sandwich with lettuce and tomatoes sits on a box in a park'. Count the number of nouns in this sentence.

Ex Output:
5


Ex Input:
Sentence: 'A man standing in an employee break room'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A guy on a skateboard sliding on a small wall'. Count the number of verbs in this sentence.

Ex Output:

1