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

Input: Consider Input: Sentence: 'A person doing tricks on a skateboard about to fall'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'A room with wooden slatted walls adorns two shower knobs, a trash can, a soap dish with soap and a sink'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'Young skateboarder preparing to perform while others look on'. Count the number of verbs in this sentence.


Output: 3