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

Example Input: Sentence: 'A cardboard sign is stapled onto a tree on a street'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'Motorcycles are parked alongside the circle driveway on a sunny day'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'Two people standing next to a box full of doughnuts'. Count the number of nouns in this sentence.
Example Output:
3