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

[Q]: Sentence: 'a big white airplane that is on a runway'. Count the number of verbs in this sentence.
[A]: 1


[Q]: Sentence: 'A man and a woman walking towards a food vendor that is across the street'. Count the number of verbs in this sentence.
[A]: 2


[Q]: Sentence: 'a cake decorated with trees and a river'. Count the number of nouns in this sentence.
[A]:
3