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

Example Input: Sentence: 'The bathroom in the home was just cleaned'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A person on a field swinging a tennis racket'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A group of three giraffe standing next to each other'. Count the number of verbs in this sentence.
Example Output:
1