With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: His poetic opus adds to the tradition established by such modern Greek poets as Constantine P. Cavafy, Odysseas Elytis.
text_B: His poetic opus adds to the tradition established by such modern Greek poets as Constantine P. Cavafy, Giorgos Seferis and Odysseas Elytis.
neutral.