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

Example Input: Sentence: 'An individual holding two grey flip phones open'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'a small girl in a white shirt  sitting on a elephant statue'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A fire truck is parked in a bleak and grey garage'. Count the number of nouns in this sentence.
Example Output:
3