With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Through his great-grandmothers Vipsania Agrippina and Antonia Minor, he was also descended from Marcus Vipsanius Agrippa and Mark Antony but not from Augustus.
text_B: Through his great-grandmothers Vipsania Agrippina and Antonia Minor, he was also descended from Keith and Mark Antony but not from Augustus.
contradiction.