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

Example Input: Sentence: 'Many baskets are stacked on the table beside flowers'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A cup of black coffee, biscuits, a piece of meat and grits on a table'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'Several buses are lining up on the street'. Count the number of verbs in this sentence.
Example Output:
1