With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Former chief executive of Yukos , Khodorkovsky - once Russia 's richest man - and his partner , Platon Lebedev , are accused of embezzling 350 million tons of oil and laundering about $ 25 billion in proceeds .
text_B: Yukos is an artefact
not-entailed.