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

Ex Input:
Sentence: 'A baseball player attempting to slide into a base'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A group of volunteers enjoying a meal together'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'a man with a frisbe in hand stands on some grass'. Count the number of verbs in this sentence.

Ex Output:

1