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

[Q]: Sentence: 'A polar bear stands on a rock surface in a zoo'. Count the number of verbs in this sentence.
[A]: 1


[Q]: Sentence: 'Buses in a third-world country are colorfully decorated'. Count the number of verbs in this sentence.
[A]: 1


[Q]: Sentence: 'A child playing with a frisbee while sitting on grass'. Count the number of nouns in this sentence.
[A]:
3