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

Input: Consider Input: Sentence: 'a woman on her cell phone in the middle of a market place'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'A yellow fire hydrant sitting at the top of a green hill'. Count the number of nouns in this sentence.

Output: 4


Input: Consider Input: Sentence: 'a person walking on a side walk holding an open umbrella'. Count the number of verbs in this sentence.


Output: 2