With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: The earliest surviving works of Greek literature are epic poetry. Homer's "Iliad" and "Odyssey" are the earliest to survive to us today, probably composed in the eighth century BC. These early epics were oral compositions created without modern writing technology.
text_B: Were Homer's "Iliad" and "Odyssey" created through oral composition?
YES.