Premise: Istanbul ( [ ˌɪstænˈbʊl ] , [ - ˈbuːl ] or [ - stɑːn - ] İstanbul [ isˈtɑnbuɫ ] ) , historically known as Constantinople and Byzantium , is the most populous city in Turkey and the country 's economic , cultural , and historic center . Istanbul is a transcontinental city in Eurasia , straddling the Bosphorus strait ( which separates Europe and Asia ) between the Sea of Marmara and the Black Sea . Italy ( Italia [ iˈtaːlja ] ) , officially the Italian Republic ( [ Repubblica italiana , links = no ] ) , is a unitary parliamentary republic in Europe.The Italian peninsula is geographically located in Southern Europe , while North Italy can be placed partly or totally in Central Europe .
Hypothesis: Istanbul is in Italy.
Label: CONTRADICTION