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

Ex Input:
Sentence: 'A lone giraffe standing nears the trees on a sunny day'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Surfer riding a wave in ocean with surfboard pointed up'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A person riding a skateboard on a ramp'. Count the number of verbs in this sentence.

Ex Output:

1