You are given a paragraph, a question and some answer options (associated with "A", "B", "C", "D", etc.) You need to list all the correct answer options with their associated letters (e.g. "A" can be a valid answer). Note that sometimes, more than one option can answer the question correctly and completely. In those cases, please generate all such options separated by a comma (e.g. "A, B" is a valid answer). Do not generate anything else apart from one or more of the following characters: 'A', 'B, 'C', 'D', etc.

Ex Input:
Paragraph- Sent 1: Among the early blows struck for independence was a rebellion in the town of Olhao.
Sent 2: On 16 June 1808, the townsfolkarmed with little more than ancient swords, spears, and stonesattacked and captured the local French garrison.
Sent 3: It's said that a party of local men then set sail from Olhao all the way to Brazil, without maps or navigational aids, to tell the king of the insurrection.
Sent 4: The real battle, however, was waged under the leadership of the Duke of Wellington, whose coalition forces expelled the French after two years of bitter fighting.
Sent 5: The war left Portugal further weakened, and in 1822 its major empire outpost, Brazil, declared independence.
Sent 6: At the same time, a dispute over the crown continually raged between Pedro IV, the absentee monarch who preferred to reign as Emperor of Brazil rather than return to Portugal, and his brother Miguel.
Sent 7: The power struggle, with strong overtones of absolutism versus liberalism, excited the interest and intervention of other powers.
Sent 8: With British help, Pedro defeated Miguel off Cape St. Vincent in 1833, and his expeditionary force marched to Lisbon.
Sent 9: Pedro took the throne, though armed struggle continued for months and the lingering bitterness long after that.
Sent 10: By 1892 Portugal, racked by wars and the continuing expense of maintaining its African colonies (including those of Mozambique and Angola), declared itself bankrupt.
Sent 11: The seeds of discontent with absolutist rule were sown.
Sent 12: Kingdom's End Bloodshed would haunt the remaining years of the Portuguese monarchy.
Sent 13: On 1 February 1908, the royal family was riding in an open carriage along the Lisbon river front plaza, Terreiro do Paco, when an assassin opened fire and killed King Carlos and the heir to the throne, Prince Luis Filipe.
Sent 14: The prince's younger brother, Prince Manuel, was also hit, but he survived and was thus propelled to the throne at the tender age of 19.
Sent 15: Amid republican agitation, a surprise uprising led by elements within the armed forces deposed Manuel in 1910.
Sent 16: Having ruled for less than three years, Manuel died in exile in 1932 in England.
Sent 17: The sudden end of more than seven centuries of monarchy brought confusion and crisis to the country.
Sent 18: Presidents and prime ministers were ushered into and out of office an unbelievable 45 times between 1910 and 1926, until a military revolution suspended Portugal's problematic democracy.
Question: Why was King Carlos assassinated? (A) His brother wanted the throne (B) Discontent with Absolutist Rule (C) National bankruptcy and absolutist government (D) Because he betrayed the nation (E) Due to discontent with absolutist rule.

Ex Output:
B, C, E.

Ex Input:
Paragraph- Sent 1: Little is known of the earliest Stone Age inhabitants of Europe's southwestern extremity.
Sent 2: The ancient Greeks called them the Cynetes (or Cunetes).
Sent 3: Whatever their origins, their culture evolved under the pressure and influence of foreign forces.
Sent 4: Among the many invading armies that settled here and contributed to nascent Portuguese culture were Phoenicians, who settled in the area around 1,000 b.c., followed by the Celts, Iberians, Greeks, and Carthaginians.
Sent 5: But it was the Romans, who arrived late in the third century b.c., who most greatly influenced all of Iberia.
Sent 6: They built towns, industries, roads, and bridges, developed agriculture, and bequeathed the Latin language, of which Portuguese is a direct descendant.
Sent 7: The Romans named the southwestern province of the peninsula Lusitania, oddly enough for one of the Celtiberian tribes they defeated, and by the third century a.d.
Sent 8: had introduced Christianity.
Sent 9: By the beginning of the fourth century the Algarve had a bishop in place, based in Faro.
Sent 10: But Rome had already fallen into decay, and soon hordes of northern tribesmen took over the empire.
Sent 11: The Algarve fell to the Visigoths in the mid-fifth century.
Sent 12: Under Moorish Rule In a.d.
Sent 13: 711, the Moors brought powerful armies from North Africa and launched a devastating attack on the Iberian peninsula, conquering much of what would become Spain and Portugal.
Sent 14: They imposed Islam and left an indelible influence on the countryside and the population of the Algarve.
Sent 15: The Moorish legacy can still be seen in the form of wells and waterwheels, squat white houses, the dark complexions of the people, and in the very name given the regiontaken from Al-Gharb, which means "country of the west" (when the Moors conquered the territory, it was the most westerly in the known world).
Sent 16: The Moors governed their Iberian kingdoms from across the border in Seville, but the Algarve had its own regional capital and huge, invulnerable fortress.
Sent 17: The capital was Chelb (or Xelb), and it was bigger and better defended than Lisbon.
Sent 18: Today the town, known as Silves, is a provincial outpost whose only besiegers are busloads of tourists who climb the narrow streets up to the old Moorish ramparts.
Question: Where did the Christian Romans place a bishop, based in Faro? (A) Almost the current Spain (B) Seville (C) Visigoths (D) Stone Age inhabitants of Europe's southwestern extremity (E) The Algarve (F) Greeks (G) Italy (H) Earliest Stone Age (I) Lusitania (J) Rome.

Ex Output:
A, E.

Ex Input:
Paragraph- Sent 1: The idea that Earth is a magnet is far from new.
Sent 2: It was first proposed in 1600 by a British physician named William Gilbert.
Sent 3: Knowing it acts like a magnet is one thing.
Sent 4: Knowing why it acts like a magnet is more difficult.
Sent 5: In fact, finding out why is a fairly recent discovery.
Sent 6: To find out why required new technology.
Sent 7: It was the seismograph that made it possible to learn why the Earth acted like a magnet.
Sent 8: Seismograph are used to study earthquakes.
Sent 9: By studying earthquake waves they were able to learn about Earths interior.
Sent 10: They discovered that Earth has an inner and outer core.
Sent 11: The outer core consists of liquid metals, mainly iron and nickel.
Sent 12: Scientists think that Earths magnetic field is generated here.
Sent 13: It is caused by the motion of this liquid metal.
Sent 14: The liquid metal moves as Earth spins on its axis.
Question: When was it first suggested that Earth was a magnet? (A) 1890 (B) Recent discovery (C) In 1600.

Ex Output:
C.