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

Ex Input:
Sentence: 'There's a toilet in a bathroom with a mirror behind it'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'A man playing  a game of tennis hitting a ball'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'Three slices of thin pizza next to two bottles of wine'. Count the number of verbs in this sentence.

Ex Output:

0