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

[Q]: Sentence: 'A group of volunteers enjoying a meal together'. Count the number of nouns in this sentence.
[A]: 3


[Q]: Sentence: 'Pedestrians stand at a crosswalk waiting for the light to change'. Count the number of nouns in this sentence.
[A]: 3


[Q]: Sentence: 'A propeller airplane sitting on top of a runway'. Count the number of verbs in this sentence.
[A]:
1