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

Input: Consider Input: Sentence: 'A toilet is on the road by a truck'. Count the number of verbs in this sentence.

Output: 0


Input: Consider Input: Sentence: 'A large variety of umbrella of various colors that are high in the air'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'Three planes fly in unison across the blue sky'. Count the number of verbs in this sentence.


Output: 1