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

Input: Consider Input: Sentence: 'A cardboard sign is stapled onto a tree on a street'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'a white horse is gazing across the field'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'An orange and blue double-decker bus and a parking lot'. Count the number of verbs in this sentence.


Output: 0