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

Ex Input:
Sentence: 'Two people surfing in the sea and flying kites'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A very old style fire truck at the station'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'A gigantic elephant riding around with men on his back'. Count the number of verbs in this sentence.

Ex Output:

1