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.

Q: Paragraph- Sent 1: Alexander II (Russian: Aleksandr II Nikolaevich, tr.
Sent 2: Aleksandr II Nikolaevich; IPA: [aljI'ksandr fta'roj njIka'lajIvjItc]; 29 April [O.S. 17 April] 1818 in Moscow - 13 March [O.S. 1 March] 1881 in Saint Petersburg) was the Emperor of Russia from 2 March 1855 until his assassination in 1881.
Sent 3: He was also the King of Poland and the Grand Duke of Finland.
Sent 4: Alexander was the most successful Russian reformer since Peter the Great.
Sent 5: His most important achievement was the emancipation of serfs in 1861, for which he became known as Alexander the Liberator (Russian: Aleksandr Osvoboditel', tr.
Sent 6: Aleksandr Osvoboditel; IPA: [aljI'ksandr asv@ba'djitjIlj]).
Sent 7: The tsar was responsible for numerous other reforms including reorganizing the judicial system, setting up elected local judges, abolishing capital punishment, promoting local self-government through the zemstvo system, imposing universal military service, ending some of the privileges of the nobility, and promoting the universities.
Sent 8: Despite these reforms, during his reign, his brutal secret police, known as the Third Section, sent thousands of dissidents into exile in Siberia.
Sent 9: In foreign policy, Alexander sold Alaska to the United States in 1867, fearing the remote colony would fall into British hands if there was another war.
Sent 10: He sought peace, moved away from bellicose France when Napoleon III fell in 1871, and in 1872 joined with Germany and Austria in the League of the Three Emperors that stabilized the European situation.
Sent 11: Despite his otherwise pacifistic foreign policy, he fought a brief war with Turkey in 1877-78, pursued further expansion into Siberia and the Caucasus, and conquered Turkestan.
Sent 12: Although disappointed by the results of the Congress of Berlin in 1878, Alexander abided by that agreement.
Sent 13: Among his greatest domestic challenges was an uprising in Poland in 1863, to which he responded by stripping that land of its separate Constitution and incorporating it directly into Russia.
Sent 14: Alexander was proposing additional parliamentary reforms to counter the rise of nascent revolutionary and anarchistic movements when he was assassinated in 1881. 
Question: Why is Alexander II called Aleksandr Osvoboditel? (A) He was know as Aleksandr Osvoboditel because of the emancipation of serfs in 1861 (B) Alexander sold Alaska to the US (C) For his emancipation of serfs (D) He was like Peter the Great (E) He emancipated the serfs (F) Because he was known as Alexander the Liberator (G) Because he captured Poland.

A: A, C, E.
****
Q: Paragraph- Sent 1: Oh no!
Sent 2: Your younger sister just mixed up all of your LEGO parts.
Sent 3: Now you have to put them all back into the original categories.
Sent 4: How will you do this?
Sent 5: You sort them by size and shape until they are each back into their specific place in the tray.
Sent 6: What do you think you could have called the mess your younger sister created?
Sent 7: Thats right, it is a mixture.
Sent 8: Fortunately, it was a physical change and she just made a simple mixture.
Sent 9: You are able to separate them back into order.
Sent 10: Its a good thing she did not toss them into the fireplace.
Sent 11: That would have caused a chemical change as they all melted together.
Sent 12: If your LEGOs were melted, you would be out of luck for building that next big project. 
Question: What your sister created, what is it called? (A) A mixture (B) A simple mixture (C) A fireplace (D) A chemical change.

A: A, B.
****
Q: 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.

A:
A, B.
****
