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 nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'A man riding his surfboard through the waves'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'An artistic version of a roller coaster at theme park'. Count the number of verbs in this sentence.


Output: 0