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

Example Input: Sentence: 'A man skateboarding through an obstacle course with cones'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'Pedestrians stand at a crosswalk waiting for the light to change'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A display in a restaurant filled with lots of fresh produce'. Count the number of verbs in this sentence.
Example Output:
1