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

Example Input: Sentence: 'A person is fixing a sail on a boat'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A man and a woman walking towards a food vendor that is across the street'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'A close up view of some tasty looking food'. Count the number of nouns in this sentence.
Example Output:
2