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

Example Input: Sentence: 'Four boys in deep concentration as they point their game controllers'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'a woman on her cell phone in the middle of a market place'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'Several black and white sheep near a sofa in a field'. Count the number of verbs in this sentence.
Example Output:
0