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

Example Input: Sentence: 'A dog sits on a bed next to a cellphone and a pen'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'An old cracked brick building with a clock'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A collection of books and knick-knacks on shelves'. Count the number of nouns in this sentence.
Example Output:
5