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

Input: Consider Input: Sentence: 'A man and a woman walking towards a food vendor that is across the street'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'An airplane in the air on an open field'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'a man stands on he beach with a surf board'. Count the number of verbs in this sentence.


Output: 1