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

Example Input: Sentence: 'A man flying a kite at the beach while several people walk by'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'A luxurious spa area with a tub and seating area'. Count the number of nouns in this sentence.
Example Output: 5

Example Input: Sentence: 'A young boy performs a skateboard trick at a skatepark in front of onlookers'. Count the number of verbs in this sentence.
Example Output:
1