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 Q]: Paragraph- Sent 1: (CNN) -- Horror-meister, Stephen King calls George Pelecanos "perhaps the greatest living American crime writer."Sent 2: His stories are set in Pelecanos' hometown of Washington, D.C., but this is not the side of the U.S. capitol that you see portrayed on TV with white marble monuments, lawyers and lobbyists.
Sent 3: Pelecanos is more interested in working families struggling to get by, the racial tensions in its ethnic neighborhoods and the low-lifes on the edges.
Sent 4: His crime-writing peers call Pelecanos the "undisputed poet" of Washington's gritty side.
Sent 5: The best-selling and award-winning author is out this week with his 17th and latest novel, "The Cut."Sent 6: It's the first in a new series featuring Iraq war veteran and private investigator Spero Lucas.
Sent 7: When he's not working for a Washington defense attorney, Lucas recovers stolen property for a 40% cut.
Sent 8: Now, a high-profile crime boss hires Lucas to find out who's been stealing from him, and it could turn out to be Lucas' biggest payday or an untimely end.
Sent 9: While Pelecanos made his bones in the noir tradition, there's a definite "Western" feel to "The Cut."Sent 10: The new novel takes place in a morally gray and often violent world.
Sent 11: It's peppered with pitch-perfect dialogue and captures the sights, sounds and taste of Washington in rich detail.
Sent 12: In short, Pelecanos reads like the real deal.
Sent 13: Pelecanos knows a thing or two about capturing the authenticity of urban America with an ethnically and socially diverse cast.
Sent 14: In addition to his success as a novelist, Pelecanos is a producer and writer for HBO's New Orleans-set, "Treme."Sent 15: He was previously a producer and Emmy-nominated writer on the hit series "The Wire" and the miniseries "The Pacific."Sent 16: Read an excerpt from "The Cut" CNN recently spoke to Pelecanos about his new novel.
Sent 17: The following is an edited transcript.
Sent 18: CNN: Tell me more about your new character, Spero Lucas.
Question: Who is the Iraq war veteran that works for an attorney? (A) Spero Lucas (B) Pelecanos (C) Chris O'Dowd (D) Sally Kups (E) Speros.
[EX A]: A, E.

[EX Q]: 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.
[EX A]: C, F, I, J.

[EX Q]: Paragraph- Sent 1: When land is cleared, habitats are lost.
Sent 2: It may be cleared for agriculture.
Sent 3: It may also be used for building new homes or businesses.
Sent 4: Within the past 100 years, the amount of land used for agriculture has almost doubled.
Sent 5: Land used for grazing cattle has more than doubled.
Sent 6: Many wetlands have also been lost to agriculture.
Sent 7: The U.S. has lost almost all the natural tall-grass prairies.
Sent 8: Thee areas of tall thick grass have virtually disappeared.
Sent 9: These areas of land had thick fertile soil.
Sent 10: Their grasses had very deep root systems.
Sent 11: These deep and thick roots reduced the amount of soil erosion.
Sent 12: They also were home to many plants and animals.
Sent 13: Prairies were wonderful places.
Sent 14: They were home to colorful flowers, prairie dogs, and herds of bison.
Question: What reduced the amount of soil erosion in grass? (A) Deep and thick roots (B) Deep roots (C) Shallow roots (D) The prarie dogs (E) Animals (F) The deep root system of grass (G) The grasses with deep root systems.
[EX A]:
A, B, F, G.