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

Ex Input:
Sentence: 'An oriental musical group gathered in a field'. Count the number of nouns in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'broken microwave with door open sitting on mud pile with other debris'. Count the number of nouns in this sentence.

Ex Output:
5


Ex Input:
Sentence: 'A tow truck parked in front of a double decker bus'. Count the number of nouns in this sentence.

Ex Output:

5