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

Ex Input:
Sentence: 'A picture of a dog staring down a fire hydrant'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'A hand holding a partially eaten doughnut hole'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'A man is walking on the sidewalk holding an umbrella'. Count the number of verbs in this sentence.

Ex Output:

2