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

Example Input: Sentence: 'A elephant that is standing on a floor at a bowling alley'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'a keyboard that has some lego men on  it'. Count the number of nouns in this sentence.
Example Output: 2

Example Input: Sentence: 'this is a woman in a toy store'. Count the number of verbs in this sentence.
Example Output:
0