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

Input: Consider Input: Sentence: 'A group of men sitting next to each other on a bench'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A couple of women walking down a street holding umbrellas'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'The infamous Big Ben clock tower in the city of London'. Count the number of verbs in this sentence.


Output: 0