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

Ex Input:
Sentence: 'Children play in the water from a fire hydrant in an urban setting'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A clay plate next to a vase with a plant in it'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'a bunch of students stand around on the field behind some school buildings, playing Frisbee'. Count the number of verbs in this sentence.

Ex Output:

2