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

Example Input: Sentence: 'A beautiful young woman holding a tennis racquet'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'a cow that is on the side of a hill'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A young man riding a skate board down a busy sidewalk'. Count the number of nouns in this sentence.
Example Output:
4