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: 'An adult polar bear with two baby bears following on the snow'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'a man standing next to a black motorcycle near a forest'. Count the number of verbs in this sentence.


Output: 1