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

Example Input: Sentence: 'A picture of a picture of a man wearing a tie'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'The bench seat by the window is empty'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'A man in plaid shawl walking with a black horse'. Count the number of nouns in this sentence.
Example Output:
4