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

Example Input: Sentence: 'A small white and brown dog carrying a red frisbee'. Count the number of nouns in this sentence.
Example Output: 2

Example Input: Sentence: 'a close up of a urinal and a device next to it'. Count the number of nouns in this sentence.
Example Output: 2

Example Input: Sentence: 'A group of people standing around each other near a tent'. Count the number of nouns in this sentence.
Example Output:
3