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

Ex Input:
Sentence: 'A baseball player prepares to catch a ball'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A small child sleeping in a toddler bed with a pink bed set'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'Two bi planes flying across a blue sky'. Count the number of nouns in this sentence.

Ex Output:

2