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

Input: Consider Input: Sentence: 'A woman on skis coming down a slope'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A yellow fire hydrant sitting next to a manhole with steam pouring out of it'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'A few sheep grazing in a field of grass'. Count the number of verbs in this sentence.


Output: 1