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

Input: Consider Input: Sentence: 'A man riding skis across snow covered ground'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'A clay plate next to a vase with a plant in it'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'An odd bathroom with stone walls, and two rolls of toilet paper'. Count the number of verbs in this sentence.


Output: 0