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

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 young teen boy doing a trick on his skateboard'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'There is a bird walking on the shore line'. Count the number of verbs in this sentence.

Ex Output:
1