Question: Köprülüzade Numan Pasha, was a statesman who was the grand vizier of which empire, founded at the end of the 13th century in northwestern Anatolia in the town of Söğüt (modern-day Bicelik Province) by the Oghuz Turkish tribal leader Osman?
Sentence (from "Ottoman Empire"): The Ottomans ended the Byzantine Empire with the 1453 conquest of Constantinople by Mehmed the Conqueror.
Relevant evidence: No