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

Example Input: Sentence: 'Two sandwiches sitting on top of papers on a table'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A photographer taking picture with a police nearby'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'An artistic version of a roller coaster at theme park'. Count the number of nouns in this sentence.
Example Output:
5