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

Example Input: Sentence: 'The living room is clean and empty of people'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'Two horses are walking a carriage through the streets'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'a close up of a street sign with people walking near by'. Count the number of verbs in this sentence.
Example Output:
1