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

Input: Consider Input: Sentence: 'A person on a skateboard reads while riding'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'A clay plate next to a vase with a plant in it'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'an air plane flying in the air with a sky backlground'. Count the number of nouns in this sentence.


Output: 5