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

Example Input: Sentence: 'A parked blue bike with a red umbrella buckled on the body'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'a street sign is displayed on a nice summer day'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A man is hanging off of the wing of a plane while another races below in a car'. Count the number of nouns in this sentence.
Example Output:
5