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

Input: Consider Input: Sentence: 'Two people walk down an city sidewalk carrying umbrellas'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'a man stands on he beach with a surf board'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A very small brown colored bathroom with a white toilet'. Count the number of verbs in this sentence.


Output: 0