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

Input: Consider Input: Sentence: 'Two Astros fans use their cell phones in the stands'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'An open Swiss army knife with multiple attachments'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'A skateboarder skating down a steep hill marked with cones'. Count the number of verbs in this sentence.


Output: 2