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 man wearing sun glasses, a tie and a suit'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'An empty kitchen with wood-paneled cabinets and black appliances'. Count the number of verbs in this sentence.


Output: 1