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

Ex Input:
Sentence: 'The three giraffes are being kept indoors for being to see'. Count the number of verbs in this sentence.

Ex Output:
3

Ex Input:
Sentence: 'A tall clock tower flanked by two trees'. Count the number of nouns in this sentence.

Ex Output:
3

Ex Input:
Sentence: 'A number of brown and blue cones of ice cream'. Count the number of verbs in this sentence.

Ex Output:
0