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

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

Ex Output:
0


Ex Input:
Sentence: 'A jumbo jet airplane flying through the air'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A backless bench faces a pedestrian path in a park'. Count the number of nouns in this sentence.

Ex Output:

4