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.

Example 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: In what year had the Roman population grown to 100,000 individuals? (A) 149 b.c (B) After 250 b.c (C) 250 B.C (D) 200 B.C (E) By 250 b.c.
Example Output: C, E.

Example Input: Paragraph- Sent 1: Right after the Pentagon was hit, NEADS learned of another possible hijacked aircraft.
Sent 2: It was an aircraft that in fact had not been hijacked at all.
Sent 3: After the second World Trade Center crash, Boston Center managers recognized that both aircraft were transcontinental 767 jetliners that had departed Logan Airport.
Sent 4: Remembering the "we have some planes" remark, Boston Center guessed that Delta 1989 might also be hijacked.
Sent 5: Boston Center called NEADS at 9:41 and identified Delta 1989, a 767 jet that had left Logan Airport for Las Vegas, as a possible hijack.
Sent 6: NEADS warned the FAA's Cleveland Center to watch Delta 1989.
Sent 7: The Command Center and FAA headquarters watched it too.
Sent 8: During the course of the morning, there were multiple erroneous reports of hijacked aircraft.
Sent 9: The report of American 11 heading south was the first; Delta 1989 was the second.
Sent 10: NEADS never lost track of Delta 1989, and even ordered fighter aircraft from Ohio and Michigan to intercept it.
Sent 11: The flight never turned off its transponder.
Sent 12: NEADS soon learned that the aircraft was not hijacked, and tracked Delta 1989 as it reversed course over Toledo, headed east, and landed in Cleveland.
Sent 13: But another aircraft was heading toward Washington, an aircraft about which NORAD had heard nothing: United 93.
Sent 14: United Airlines Flight 93 FAA Awareness.
Sent 15: At 9:27, after having been in the air for 45 minutes, United 93 acknowledged a transmission from the Cleveland Center controller.
Sent 16: This was the last normal contact the FAA had with the flight.
Sent 17: Less than a minute later, the Cleveland controller and the pilots of aircraft in the vicinity heard "a radio transmission of unintelligible sounds of possible screaming or a struggle from an unknown origin."Sent 18: The controller responded, seconds later: "Somebody call Cleveland?"This was followed by a second radio transmission, with sounds of screaming.
Question: Which flight did both the command center and FAA headquarters watch, thanks to a call from Boston Center to NEADS? (A) United Airlines Flight 93 (B) American 11 (C) Delta 1989 (D) United 93 (E) American 17 (F) Delta Flight 1989 (G) FAA 1989 (H) Delta 93 (I) Delta Airlines flight 1989 (J) Transcontinental 767 jetliners that had departed Logan Airport (K) UA 93.
Example Output: C, F, I, J.

Example Input: Paragraph- Sent 1: "Femme" is an apt description of the depiction of Madame White Snake and all her incarnations.
Sent 2: It refers to a woman who is dangerously attractive, and lures men to their downfall with her sexual attractiveness.
Sent 3: In both incarnations of Madame White snake, the authors depict her as bewitchingly beautiful.
Sent 4: Toyoo, her human lover in "Lust of the White Serpant" cannot shake the image of her beauty from his mind and dreams of her, and finds himself "disturbed and agitated" by her "ethereal beauty".
Sent 5: In "Eternal Prisoner," Madame White Snake's bewitching beauty follows her lover Hsu into his dreams, and the next morning "he was so distracted that he could not concentrate on doing business." Both of these stories align negative connotations with her beauty, suggesting that her sexuality is the cause of their distraction.
Sent 6: In addition to distracting sexuality, the irregular characterization of Madame White Snake might be another trait her character has in common with the archetypical noir femme fatale.
Sent 7: In her essay analyzing the noir film from a feminist perspective, Christine Gledhill writes "Not only is the hero frequently not sure whether the woman is honest or a deceiver, but the heroine's characterisation is itself fractured so that it is not evident to the audience whether she fills the [femme fatale] stereotype or not".
Question: Who is Toyoo's lover in "Lust of the White Serpant?" (A) A woman described as femme (B) Hsu (C) Christine Gledhill (D) Madame White Snake.
Example Output:
A, D.