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

Example Input: Sentence: 'A group of elephants gathered around their watering hole'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'Two young people on ski mountain looking unenthused about the sport'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'Large group of fruit with slices of fruit in front'. Count the number of nouns in this sentence.
Example Output:
5