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

Example Input: Sentence: 'A yellow fire hydrant sitting next to a manhole with steam pouring out of it'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'A lady riding a rodeo horse preparing to round a barrel'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A street sign warns motorists of the speed limit'. Count the number of nouns in this sentence.
Example Output:
5