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

Input: Consider Input: Sentence: 'A little cat sits on a laptop keyboard'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'There is a silver and blue fire hydrant on a grass field'. Count the number of nouns in this sentence.

Output: 5


Input: Consider Input: Sentence: 'A group of zebra standing in a grass field'. Count the number of nouns in this sentence.


Output: 5