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: Triumph and Disaster: The 20th century saw a stupendous release of energies that had been pent up for the 250 years of Tokugawa isolation.
Sent 2: By 1930 raw-material production had tripled the figure of 1900, manufactured goods had increased twelve-fold, and heavy industry was galloping towards maturity.
Sent 3: Britain led the World War I Ailies in large orders for munitions, while Japan expanded sales of manufactured goods to Asian and other markets cut off from their usual European suppliers.
Sent 4: Merchant shipping doubled in size and increased its income ten-fold as the European fleets were destroyed.
Sent 5: Setbacks in the 1930s caused by the European postwar slump were only a spur to redouble efforts by diversifying heavy industry into the machine-making, metallurgical, and chemical sectors.
Sent 6: Even the terrible 1923 Tokyo earthquake, which cost over 100,000 lives and billions of dollars, provided another stimulus due to the construction boom that followed.
Sent 7: Riding the crest of this economic upsurge were the zaibatsu conglomeratesa dozen family-run combines, each involved in mining, manufacturing, marketing, shipping, and banking.
Sent 8: These tightly controlled commercial pyramids were the true heirs to the old feudal structures.
Sent 9: Japan's progress toward parliamentary democracy was halted in the 1930s by the growing nationalism being imposed on government by the generals and admirals.
Sent 10: They proclaimed Japan's mission to bring progress to its backward Asian neighbors in language not so very different from that of the Europeans in Africa or the US in Latin America.
Sent 11: After the Russian Revolution of 1917, the Soviet Union was regarded as a major threat to Japan's security, and the army felt it needed Manchuria and whatever other Chinese territory it could control as a buffer against Russian advances.
Sent 12: In 1931 the Japanese occupied Manchuria.
Sent 13: And then in 1937, with the popular support of ultra-right-wing groups, the army overrode parliamentary resistance in Tokyo and went to war against the Chinese Nationalists.
Sent 14: By 1938, they held Nanking, Hankow, and Canton.
Sent 15: Japanese expansionist policies were leading to direct confrontation with the West.
Sent 16: Japan hoped that war in Europe would divert the Soviet Union from interference in East Asia, giving Japan a free hand both in China and, through its alliance with Germany, in French IndoChina after the defeat of France.
Sent 17: The US responded to the Japanese invasion of IndoChina with a trade and fuel embargo, cutting off 90 percent of Japan's supplies.
Sent 18: The result was the attack on the American fleet at Pearl Harbor (7 December 1941) and total war.
Question: Why did japan occupy Manchuria in 1931? (A) To build ships (B) Japan believed it needed the territory to buffer against Russian advances (C) As a buffer against Russian advances (D) To build a defensive area against the Russians (E) To buffer against Chinese advances (F) To spread Japanese culture (G) To protect japan from Russian invasion.

Ex Output:
B, C, D, G.

Ex Input:
Paragraph- Sent 1: Dubai's Crown Prince Sheikh Mohamed Bin Rashid Al Maktoum inaugurated a free zone for e-commerce today, called Dubai Internet City.
Sent 2: The preliminary stages of the project, the only one of its kind according to its designers, are estimated at $200 million.
Sent 3: Sheikh Mohamed, who is also the Defense Minister of the United Arab Emirates, announced at the inauguration ceremony that "we want to make Dubai a new trading center."Sent 4: The minister, who has his own website, also said: "I want Dubai to be the best place in the world for state-of-the-art technology companies."Sent 5: He said companies engaged in e-commerce would be able to set up offices, employ staff and own equipment in the open zone, including fully-owned foreign companies.
Sent 6: The e-commerce free zone is situated in north Dubai, near the industrial free zone in Jebel Ali, the top regional and tenth international leading area in container transit.
Sent 7: The inauguration of Dubai Internet City coincides with the opening of an annual IT show in Dubai, the Gulf Information Technology Exhibition (Gitex), the biggest in the Middle East.
Question: What other event was taking place when the Defense Minister announced that they wanted to make Dubai a trading center? (A) Gulf Information Technology Exhibition (B) Gitex (C) The IT show (D) Inagurate industrial free zone.

Ex Output:
A, B.

Ex Input:
Paragraph- Sent 1: (CNN) -- A federal court jury in Florida convicted seven people of participating in a global child pornography trafficking enterprise, according to the Department of Justice.
Sent 2: Jurors convicted the seven Wednesday of multiple counts of child exploitation, pornography and obstruction of justice.
Sent 3: Members of the organization used Internet news groups to swap and share "illegal images and videos depicting prepubescent children, including toddlers, engaged in various sexual and sadistic acts," prosecutors said.
Sent 4: An indictment filed in the case detailed interactions between group members as they swapped and commented on images.
Sent 5: "My thanks to you and all the others that together make this the greatest group of pedos to ever gather in one place," Freeman wrote in response to one posting, according to the indictment.
Sent 6: And a posting from Castleman, cited in the indictment, read, "Thanks to all for the wonderful material that has been posted."Sent 7: An Australian constable who infiltrated the group in August 2006 was among 50 witnesses testifying at trial.
Sent 8: He told the jury that the group traded more than 400,000 images and videos of child sexual abuse before being dismantled by law enforcement, according to the Justice Department statement.
Sent 9: Each defendant faces a sentence of 20 years to life in prison, fines and the possibility of supervised release for the rest of their lives, authorities said.
Sent 10: The seven will be sentenced April 14.
Sent 11: During the six-day trial, evidence showed the seven participated in what prosecutors called a "well-organized criminal enterprise whose purpose was to proliferate child sex abuse images to its membership during a two-year period."Sent 12: "This was a wide-scale, high-volume, international trafficking enterprise that used sophisticated computer encryption technology and file-sharing techniques," Matthew Friedrich, acting assistant attorney general, said in the statement.
Sent 13: The seven defendants were James Freeman of Santa Rosa Beach, Florida; Gary Lakey of Anderson, Indiana; Marvin Lambert of Indianapolis, Indiana; Neville McGarity of Medina, Texas; Warren Mumpower of Spokane, Washington; Daniel Castleman of Lubbock, Texas; and Ronald White of Burlington, North Carolina, according to the Department of Justice.
Question: When will Daniel Castleman of Lubbock, Texas be sentenced? (A) April 14 (B) He will not be sentenced (C) June 06 (D) In the next year (E) On Dec 20th (F) On August 2006.

Ex Output:
A.