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

Ex Input:
Sentence: 'Cupcakes part iced part not with a walnut on top'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'An elephant is by itself standing for the picture'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Two men holding cups walk by a long row of empty tables'. Count the number of nouns in this sentence.

Ex Output:

4