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

Input: Consider Input: Sentence: 'A view of a blue train on train tracks'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'A very large elephant in a big grassy field'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'A person riding a wind-sail on top of a body of water'. Count the number of nouns in this sentence.


Output: 6