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

Input: Consider Input: Sentence: 'A few cars in a parking next to a small green van'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'A group of men leaning over rail as a dog approaches them'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'A man grinds his skateboard at a skating rink'. Count the number of verbs in this sentence.


Output: 2