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

Sentence: 'A silver and yellow engine is followed by several train cars'. Count the number of verbs in this sentence.
1

Sentence: 'A man on a scooter sits beside a stop sign'. Count the number of nouns in this sentence.
3

Sentence: 'An older boy holding his younger brother behind a jail cell'. Count the number of nouns in this sentence.
4