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

Input: Consider Input: Sentence: 'Someone hung a clock from a building not knowing that the numbers were all backward'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'A small kitchen counter with appliances and a shelf'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'the snowboarder dose a trick off a jump'. Count the number of verbs in this sentence.


Output: 1