In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: The Ottoman Empire ('; Modern Turkish: ' or '), also known as the Turkish Empire, Ottoman Turkey, was an empire founded at the end of the thirteenth century in northwestern Anatolia in the vicinity of Bilecik and Sout by the Oghuz Turkish tribal leader Osman. After 1354, the Ottomans crossed into Europe, and with the conquest of the Balkans the Ottoman Beylik was transformed into a transcontinental empire. The Ottomans ended the Byzantine Empire with the 1453 conquest of Constantinople by Mehmed the Conqueror., In the Ottoman Empire, the Grand Vizier was the prime minister of the Ottoman sultan, with absolute power of attorney and, in principle, dismissible only by the sultan himself. He held the imperial seal and could convene all other viziers to attend to affairs of the state; the viziers in conference were called ""Kubbealt" viziers" in reference to their meeting place, the "Kubbealt" ('under the dome') in Topkap Palace. His offices were located at the Sublime Porte., The Sublime Porte, also known as the Ottoman Porte or High Porte ("Bb- l" or "Babali", from , "bb" "gate" and , "al" "high"), is a synecdochic metonym for the central government of the Ottoman Empire. The naming has its origins in the old Oriental practice, according to which the ruler announced his official decisions and judgements at the gate of his palace. This was the practice in the Byzantine Empire and it was adopted also by Ottoman Turk sultans since Orhan I, and therefore the palace of the sultan, or the gate leading to it, became known as the "High Gate". This name referred first to a palace in Brussa. After Ottomans had conquered Constantinople, now Istanbul, the gate now known as the Imperial Gate (leading to the outermost courtyard of the Topkap Palace, became at first known as the "High Gate", or the "Sublime Porte"., The Topkap Palace (or in , "opapu Sary") or the Seraglio is a large palace in Istanbul, Turkey that was one of the major residences of the Ottoman sultans for almost 400 years (14651856) of their 624-year reign., A vizier (rarely ; In modern usage, the term has been used for ministers in the Arab world, Iran, Turkey, East Africa (Kenya, Tanzania and Somalia) Afghanistan, Pakistan, India, Tajikistan and Uzbekistan., Koca Sinan Pasha ( Albanian : Sinan Pasha Topojani ; 1506 -- 3 April 1596 ) was an Ottoman grand vizier , Ottoman military figure , and statesman . From 1580 till his death he served five times as Grand Vizier ., Subject: koca sinan pasha, Relation: country_of_citizenship, Options: (A) arab (B) byzantine empire (C) iran (D) kenya (E) ottoman empire (F) pakistan (G) tanzania (H) turkey
ottoman empire