You are given a paragraph, with numbered sentences, and a question. Write the numbers of the sentences needed to answer the given question. Separate multiple sentence numbers with a comma (", "). E.g. "1, 2" would be the correct response if Sent 1 and Sent 2 are needed to answer the given question (do not include sentences that contain no information that is necessary to answer the question). Sort the sentence numbers in an increasing order (i.e., '1, 2', instead of '2, 1'). Your answer should not contain anything than the sentence numbers separated by a comma (e.g. '1, 2, 3, 4'). The given question requires more than one sentence to answer. So, your answer must contain at least one comma (", ").

Paragraph- Sent 1: Alexander II (Russian: Aleksandr II Nikolaevich, tr.
Sent 2: Aleksandr II Nikolaevich; IPA: [aljI'ksandr fta'roj njIka'lajIvjItc]; 29 April [O.S. 17 April] 1818 in Moscow - 13 March [O.S. 1 March] 1881 in Saint Petersburg) was the Emperor of Russia from 2 March 1855 until his assassination in 1881.
Sent 3: He was also the King of Poland and the Grand Duke of Finland.
Sent 4: Alexander was the most successful Russian reformer since Peter the Great.
Sent 5: His most important achievement was the emancipation of serfs in 1861, for which he became known as Alexander the Liberator (Russian: Aleksandr Osvoboditel', tr.
Sent 6: Aleksandr Osvoboditel; IPA: [aljI'ksandr asv@ba'djitjIlj]).
Sent 7: The tsar was responsible for numerous other reforms including reorganizing the judicial system, setting up elected local judges, abolishing capital punishment, promoting local self-government through the zemstvo system, imposing universal military service, ending some of the privileges of the nobility, and promoting the universities.
Sent 8: Despite these reforms, during his reign, his brutal secret police, known as the Third Section, sent thousands of dissidents into exile in Siberia.
Sent 9: In foreign policy, Alexander sold Alaska to the United States in 1867, fearing the remote colony would fall into British hands if there was another war.
Sent 10: He sought peace, moved away from bellicose France when Napoleon III fell in 1871, and in 1872 joined with Germany and Austria in the League of the Three Emperors that stabilized the European situation.
Sent 11: Despite his otherwise pacifistic foreign policy, he fought a brief war with Turkey in 1877-78, pursued further expansion into Siberia and the Caucasus, and conquered Turkestan.
Sent 12: Although disappointed by the results of the Congress of Berlin in 1878, Alexander abided by that agreement.
Sent 13: Among his greatest domestic challenges was an uprising in Poland in 1863, to which he responded by stripping that land of its separate Constitution and incorporating it directly into Russia.
Sent 14: Alexander was proposing additional parliamentary reforms to counter the rise of nascent revolutionary and anarchistic movements when he was assassinated in 1881.
Question: What titles did Alexander II hold?.
2, 3.

Paragraph- Sent 1: Starting from Scratch: Whoever first stepped ashore on Madeira discovered no signs of previous habitationno Stone-Age natives, as the Spanish found on the Canary Islands, and no mysterious monuments to the past, as on the Balearics.
Sent 2: Occupation of Madeira began in the early 1420s as a decidedly minimalist project: colonists arrived with only as much as they could carry from mainland Portugal.
Sent 3: They found plenty of water pouring down from the mountains, and more timber than anyone knew what to do with.
Sent 4: So they set about clearing the land for agriculture, setting fire to massive tracts of forest.
Sent 5: Legend says that a great fire burned for seven years on the island, leveling it of all its trees.
Sent 6: The fire provided the soil with a rich ash fertilizer, which complemented the luxuriant growing conditions of tropical sun and plentiful water.
Sent 7: The Portuguese saw valuable economic opportunity in their new possession and ordered Malvasia grapes from Crete and sugar cane from Italy in an effort to seed the island's first cash crops.
Sent 8: The project was not a simple one.
Sent 9: Colonists had to locate enough level ground to grow crops on and solve the issue of irrigating them.
Sent 10: Brute strength, without aid of machinery, carved flat surfaces out of the mountains, and settlers built the terracesstill seen todayon the steep slopes.
Sent 11: The problem of watering crops was solved by the irrigation system known as levadassimply-designed water channels that wound down from water sources on the verdant mountain tops.
Sent 12: The levadas were largely built by slave laborers from Africa, whose primary employment was on sugar plantations.
Sent 13: New Madeirans traded sugar, the era's dominant luxury item, with Britain and Flanders, and they proved skillful in the art of winemaking.
Sent 14: The island's burgeoning economic significance propelled population growth, and by the middle of the 15th century Madeira was home to 800 families.
Sent 15: A 1514 census recorded 5,000 inhabitants.
Sent 16: In 1478 Madeira welcomed a visitor who would greatly assist the island's future wine trade.
Sent 17: Christopher Columbus, not yet a sailor of any renown, sailed to Madeira on an assignment to buy sugar cane.
Sent 18: His sojourn was unsuccessful, as money failed to arrive for part of the shipment.
Question: What famous explorer would be sail to the colony in 1478?.
17.

Paragraph- Sent 1: Alexis de Tocqueville and Gustave de Beaumont in America: Their Friendship and Their Travels edited by Oliver Zunz, translated by Arthur Goldhammer (University of Virginia Press; 2011) 698 pages; Includes previously unpublished letters, essays, and other writings Du systeme penitentaire aux Etats-Unis et de son application en France (1833) - On the Penitentiary System in the United States and Its Application to France, with Gustave de Beaumont.
Sent 2: De la democratie en Amerique (1835/1840) - Democracy in America.
Sent 3: It was published in two volumes, the first in 1835, the second in 1840.
Sent 4: English language versions: Tocqueville, Democracy in America, trans.
Sent 5: and eds., Harvey C. Mansfield and Delba Winthrop, University of Chicago Press, 2000; Tocqueville, Democracy in America (Arthur Goldhammer, trans.; Olivier Zunz, ed.) (The Library of America, 2004) ISBN 978-1-931082-54-9.
Sent 6: L'Ancien Regime et la Revolution (1856) - The Old Regime and the Revolution.
Sent 7: It is Tocqueville's second most famous work.
Sent 8: Recollections (1893) - This work was a private journal of the Revolution of 1848.
Sent 9: He never intended to publish this during his lifetime; it was published by his wife and his friend Gustave de Beaumont after his death.
Sent 10: Journey to America (1831-1832) - Alexis de Tocqueville's travel diary of his visit to America; translated into English by George Lawrence, edited by J-P Mayer, Yale University Press, 1960; based on vol.
Sent 11: V, 1 of the OEuvres Completes of Tocqueville.
Sent 12: L'Etat social et politique de la France avant et depuis 1789 - Alexis de Tocqueville Memoir On Pauperism: Does public charity produce an idle and dependant class of society?
Sent 13: (1835) originally published by Ivan R. Dee.
Sent 14: Inspired by a trip to England.
Sent 15: One of Tocqueville's more obscure works.
Sent 16: Journeys to England and Ireland 1835.
Question: What is Tocqueville's second most famous publication?.
6, 7.