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

Example Input: Sentence: 'A baseball player prepares to catch a ball'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'The jar that is left out on the table is dirty'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A public restroom has a stall and a urinal'. Count the number of nouns in this sentence.
Example Output:
2