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

Example Input: Sentence: 'A public restroom has a stall and a urinal'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A small oval orange couch and ottoman with pineapple pillows'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'an elephant standing in some tall grass next to the bushes'. Count the number of verbs in this sentence.
Example Output:
1