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

Example Input: Sentence: 'A small kitchen counter with appliances and a shelf'. Count the number of verbs in this sentence.
Example Output: 0

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 big bear sticks his tongue out of his mouth'. Count the number of verbs in this sentence.
Example Output:
1