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: The Glory of Melaka: In the early days, if you were not a pirate or a mosquito, Melaka was not much of a place to live.
Sent 2: The land was infertile, just a swampy plain, the river small and sluggish.
Sent 3: But it had a sheltered harbor, protected from the monsoons by neighboring Sumatra.
Sent 4: Later, the strategic location and deep-water channel close to the coast brought in the bigger vessels of the trade-wind traffic crossing the Indian Ocean.
Sent 5: The first to realize the larger commercial potential, as so often throughout the country's subsequent history, were the Chinese.
Sent 6: In 1409, under a new directive from Emperor Chu Ti to pursue trade in the South Seas and the Indian Ocean, a Chinese fleet of 50 ships headed by Admiral Cheng Ho called in at Melaka.
Sent 7: They made Parameswara an offer he could not refuse: port facilities and an annual financial tribute in exchange for Chinese protection against the marauding Thais.
Sent 8: In 1411, Parameswara took the money to Beijing himself, and the emperor gratefully made him a vassal king.
Sent 9: Twenty years later, the Chinese withdrew again from the South Seas trade.
Sent 10: The new ruler of Melaka, Sri Maharajah, switched his allegiance to the Muslim trading fraternity by marrying into the Muslim faith, wedding the daughter of a sultan in Sumatra.
Sent 11: Islam won its place in Malaya not by conquestas had been the case in North Africa and Europebut by trade, dynastic alliances, and peaceful preaching.
Sent 12: Bengali peddlers had already brought the faith to the east coast.
Sent 13: In Melaka and throughout the peninsula, Islam thrived as a strong, male-dominated religion of individuality, offering dynamic leadership and preaching brotherhood and self-relianceall qualities ideally suited to the coastal trade.
Sent 14: At the same time, Sufi mystics synthesized Islamic teaching with local Malay traditions of animistic magic and charisma, though Islam did not become the state religion until Muzaffar Shah became sultan of Melaka (14461459).
Sent 15: But the key figure in the sultanate was Tun Perak, bendahara (prime minister) and military commander.
Sent 16: He expanded Melaka's power along the west coast and down to Singapore and the neighboring Bintan islands.
Sent 17: He also had orang laut pirates patrolling the seas to extort tribute from passing ships.
Sent 18: After Ailied district chiefs had repelled assaults from Thai-controlled armies from Pahang, Tun Perak personally led a famous victory over a Thai fleet off Batu Pahat in 1456.
Question: What is a positive point about Melaka? (A) Malaka was the trading and business hub of in the region (B) It had a sheltered harbor, protected from the monsoons by neighboring Sumatra (C) It had an immense wealth of resources (D) They offered a dynamic leadership and preaching brotherhood and self-reliance (E) The land was infertile, just a swampy plain, the river small and sluggish (F) Sheltered Harbor.

Ex Output:
A, B, F.

Ex Input:
Paragraph- Sent 1: The Romans: Legend says Rome was founded by Romulus, sired with twin brother Remus by Mars of a Vestal Virgin and abandoned on the Palatine Hill to be suckled by a she-wolf.
Sent 2: Historians agree with the mythmakers that the site and traditional founding date of 753 b.c.
Sent 3: are just about right.
Sent 4: Under Etruscan domination, Rome had been a monarchy until a revolt in 510 b.c.
Sent 5: established a patrician republic, which lasted five centuries.
Sent 6: In contrast to other Italian cities weakened by internal rivalries and unstable government, Rome drew strength from a solid aristocracy of consuls and senate ruling over plebeians proud of their Roman citizenship and only rarely rebellious.
Sent 7: Recovering quickly from the Gallic invasion of 390 b.c.
Sent 8: , the Romans took effective control of the peninsula by a military conquest reinforced by a network of roads with names that exist to this day: Via Appia, Flaminia, Aurelia.
Sent 9: All roads did indeed lead toand fromRome.
Sent 10: By 250 b.c.
Sent 11: , the city's population had grown to an impressive 100,000.
Sent 12: Roman power extended throughout the Mediterranean with a victory in the Punic Wars against Carthage (now Tunisia) and conquests in Macedonia, Asia Minor, Spain, and southern France.
Sent 13: The rest of Italy participated only by tax contributions to the war effort and minor involvement in commerce and colonization.
Sent 14: Resentment surfaced when former Etruscan or Greek cities such as Capua, Syracuse, and Taranto supported Hannibal's invasion in 218 b.c.
Sent 15: Rome followed up defeat of the Carthaginians with large-scale massacres and enslavement of their Italian supporters.
Sent 16: The Third and final Punic War ended in 149 b.c.
Sent 17: , though national solidarity was still a long way off.
Sent 18: Under Julius Caesar, elected in 59 b.c.
Question: When had Rome's population grown to 100,000? (A) 390 b.c (B) 250 B.C (C) 260 B.C (D) By 250 b.c (E) Before 250 b.c.

Ex Output:
B, D.

Ex Input:
Paragraph- Sent 1: (CNN) -- A Christian evangelical group said Thursday that a Bible school -- backed by American evangelist Franklin Graham -- was destroyed in the latest bombing raid to hit South Kordofan, an oil-rich Sudanese province that borders the newly created independent country of South Sudan.
Sent 2: At least eight bombs were dropped in the area Wednesday during the school's first day of classes, according to a statement by Samaritan's Purse, Graham's Christian humanitarian group, which supports the school.
Sent 3: Two bombs landed inside the compound -- located in the region's Nuba Mountains -- destroying two Heiban Bible College buildings and igniting grass fires across the area, the group said in a statement No injuries were reported.
Sent 4: "It was a miracle that no one was injured," the statement added.
Sent 5: Graham, who has called on the international community to take out Sudan's air assets and establish a no-fly zone in the region, said in a statement Thursday that he blamed Sudan's air force for the strike.
Sent 6: At least four churches have been destroyed since August, the group said.
Sent 7: "We are deeply concerned for the welfare and lives of the people of South Kordofan and we condemn the bombing of churches and Christian facilities," added Graham, son of the famed Rev. Billy Graham.
Sent 8: More than 78,000 people have fled South Kordofan and Blue Nile states since August of last year after an armed rebellion took root, the United Nations reported.
Sent 9: The Sudanese government is thought to have responded to the rebellion by conducting sustained air raids with the use of Russian-made Antonov bombers, which have raised concerns over civilian casualties.
Sent 10: Decades of civil war between the north and south, costing as many as 2 million lives, formally ended with a U.S.-brokered peace treaty in 2005.
Question: What miracle occurred when two Heiban Bible College buildings were destroyed in the latest bombing raid to hit South Kordofan? (A) No one was injured (B) Entire city destroyed (C) Realize (D) No injuries (E) 2 milion dead.

Ex Output:
A, D.