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 cat that is laying down on a bed'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'an Asian man standing by the back of a taxi cab in the city'. Count the number of nouns in this sentence.


Output: 5