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

Input: Consider Input: Sentence: 'There is a person with a frisbee sitting by the water'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'an elephant standing in some tall grass next to the bushes'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A model coal train in a museum exhibition'. Count the number of verbs in this sentence.


Output: 0