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

Ex Input:
Sentence: 'A cat laying in the bathroom sink'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A new refrigerator and a new washer and dryer'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'a young man flipping over on his skateboard in a skate park'. Count the number of verbs in this sentence.

Ex Output:

1