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

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

Output: 2


Input: Consider Input: Sentence: 'Skier in open area of deep snow near trees'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'Cell phone in the dark, displaying an image'. Count the number of nouns in this sentence.


Output: 4