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

Input: Consider Input: Sentence: 'a man is flying through the air on a snowboard'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'A large and baby cow are on tall grass'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'Cat sitting on wooden cutting board with knife'. Count the number of nouns in this sentence.


Output: 4