The conversation between human and AI assistant.
[|Human|] Identify the type of words being used in the sentence. Output the types of words.
[|AI|] The: Determiner
children: Noun
were: Verb (auxiliary verb)
running: Verb (participle)
down: Preposition
the: Determiner
street: Noun.
[|Human|] 
Identify the type of words being used in the sentence. Output the types of words.