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

[Q]: Sentence: 'Two people walk down an city sidewalk carrying umbrellas'. Count the number of verbs in this sentence.
[A]: 2


[Q]: Sentence: 'A young man riding a skateboard down a railing'. Count the number of nouns in this sentence.
[A]: 3


[Q]: Sentence: 'A group of jets flying through a blue sky'. Count the number of verbs in this sentence.
[A]:
1