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.

Input: Consider Input: Paragraph- Sent 1: Honours and legacy In 1929, Soviet writer Leonid Grossman published a novel The d'Archiac Papers, telling the story of Pushkin's death from the perspective of a French diplomat, being a participant and a witness of the fatal duel.
Sent 2: The book describes him as a liberal and a victim of the Tsarist regime.
Sent 3: In Poland the book was published under the title Death of the Poet.
Sent 4: In 1937, the town of Tsarskoye Selo was renamed Pushkin in his honour.
Sent 5: There are several museums in Russia dedicated to Pushkin, including two in Moscow, one in Saint Petersburg, and a large complex in Mikhaylovskoye.
Sent 6: Pushkin's death was portrayed in the 2006 biographical film Pushkin: The Last Duel.
Sent 7: The film was directed by Natalya Bondarchuk.
Sent 8: Pushkin was portrayed onscreen by Sergei Bezrukov.
Sent 9: The Pushkin Trust was established in 1987 by the Duchess of Abercorn to commemorate the creative legacy and spirit of her ancestor and to release the creativity and imagination of the children of Ireland by providing them with opportunities to communicate their thoughts, feelings and experiences.
Sent 10: A minor planet, 2208 Pushkin, discovered in 1977 by Soviet astronomer Nikolai Stepanovich Chernykh, is named after him.
Sent 11: A crater on Mercury is also named in his honour.
Sent 12: MS Alexandr Pushkin, second ship of the Russian Ivan Franko class (also referred to as "poet" or "writer" class).
Sent 13: Station of Tashkent metro was named in his honour.
Sent 14: The Pushkin Hills and Pushkin Lake were named in his honour in Ben Nevis Township, Cochrane District, in Ontario, Canada.
Sent 15: UN Russian Language Day, established by the United Nations in 2010 and celebrated each year on 6 June, was scheduled to coincide with Pushkin's birthday.
Question: Who directed the biographical film about Pushkin, "The Last Duel"? (A) Leonid Grossman (B) Natalya Bondarchuk.

Output: B.

Input: Consider Input: Paragraph- Sent 1: Animated history of the US.
Sent 2: Of course the cartoon is highly oversimplified, and most critics consider it one of the weakest parts of the film.
Sent 3: But it makes a valid claim which you ignore entirely: That the strategy to promote "gun rights" for white people and to outlaw gun possession by black people was a way to uphold racism without letting an openly terrorist organization like the KKK flourish.
Sent 4: Did the 19th century NRA in the southern states promote gun rights for black people?
Sent 5: I highly doubt it.
Sent 6: But if they didn't, one of their functions was to continue the racism of the KKK.
Sent 7: This is the key message of this part of the animation, which is again being ignored by its critics.
Sent 8: Buell shooting in Flint.
Sent 9: You write: "Fact: The little boy was the class thug, already suspended from school for stabbing another kid with a pencil, and had fought with Kayla the day before".
Sent 10: This characterization of a six-year-old as a pencil-stabbing thug is exactly the kind of hysteria that Moore's film warns against.
Sent 11: It is the typical right-wing reaction which looks for simple answers that do not contradict the Republican mindset.
Sent 12: The kid was a little bastard, and the parents were involved in drugs -- case closed.
Sent 13: But why do people deal with drugs?
Sent 14: Because it's so much fun to do so?
Sent 15: It is by now well documented that the CIA tolerated crack sales in US cities to fund the operation of South American "contras" It is equally well known that the so-called "war on drugs" begun under the Nixon administration is a failure which has cost hundreds of billions and made America the world leader in prison population (both in relative and absolute numbers).
Question: Under whose administration did the war on drugs begin and was the focus of the film. (A) Nixon (B) Johnson (C) The war on drugs began with the Nixon administration and it was an animated story of the US that covered gun rights and other matters (D) "war on drugs" begun under the Nixon administration (E) Carter (F) The film focused on JFK and his declaration of a "War on Drugs" during his administration.

Output: A, C, D.

Input: Consider Input: Paragraph- Sent 1: Tuesday, September 11, 2001, dawned temperate and nearly cloudless in the eastern United States.
Sent 2: Millions of men and women readied themselves for work.
Sent 3: Some made their way to the Twin Towers, the signature structures of the World Trade Center complex in New York City.
Sent 4: Others went to Arlington, Virginia, to the Pentagon.
Sent 5: Across the Potomac River, the United States Congress was back in session.
Sent 6: At the other end of Pennsylvania Avenue, people began to line up for a White House tour.
Sent 7: In Sarasota, Florida, President George W. Bush went for an early morning run.
Sent 8: For those heading to an airport, weather conditions could not have been better for a safe and pleasant journey.
Sent 9: Among the travelers were Mohamed Atta and Abdul Aziz al Omari, who arrived at the airport in Portland, Maine.
Sent 10: Boston: American 11 and United 175.
Sent 11: Atta and Omari boarded a 6:00 A.M. flight from Portland to Boston's Logan International Airport.
Sent 12: When he checked in for his flight to Boston, Atta was selected by a computerized prescreening system known as CAPPS (Computer Assisted Passenger Prescreening System), created to identify passengers who should be subject to special security measures.
Sent 13: Under security rules in place at the time, the only consequence of Atta's selection by CAPPS was that his checked bags were held off the plane until it was confirmed that he had boarded the aircraft.
Sent 14: This did not hinder Atta's plans.
Sent 15: Atta and Omari arrived in Boston at 6:45.
Sent 16: Seven minutes later, Atta apparently took a call from Marwan al Shehhi, a longtime colleague who was at another terminal at Logan Airport.
Sent 17: They spoke for three minutes.
Sent 18: It would be their final conversation.
Question: What flight was Mohmad Atta on when chosen by CAPPS system? (A) American 11 (B) Boston: American 10 (C) Boston: American 12 (D) United 175 (E) Boston: American 11.
Output: A, D, E.