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

Ex Input:
Sentence: 'Two men are cutting into a cake with icing'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'Woman in white shirt and blue skirt playing tennis'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A collage of cats interacting with and sitting on bicycles'. Count the number of verbs in this sentence.

Ex Output:

2