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

Example Input: Sentence: 'A person sitting on a couch with a laptop'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'Two men loading a pick up truck with liquor'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'Some sort of a blue sofa sits in a small room; a mirror and a picture hang above it'. Count the number of verbs in this sentence.
Example Output:
2