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

Input: Consider Input: Sentence: 'Various street signs that read Danforth avenue'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A moose is standing out by a river'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'Two bi planes flying across a blue sky'. Count the number of verbs in this sentence.


Output: 1