Text: Though little remains from Roman times, the city's Byzantine legacy boasts Haghia Sophia, the Church of the Divine Wisdom and one of the world's greatest buildings; the magnificent mosaics of St. Saviour in Chora; and the impressive Theodosian Walls.
Entailment: The Church of the Divine Wisdom is an artifact of the Byzantine Empire.
Contradiction: The Roman Empire destroy the Byzantine city of Theodosia.