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: Imagine you are standing in a farm field in central Illinois.
Sent 2: The land is so flat you can see for miles and miles.
Sent 3: On a clear day, you might see a grain silo 20 miles away.
Sent 4: You might think to yourself, it sure is flat around here.
Sent 5: If you drive one hundred miles to the south, the landscape changes.
Sent 6: In southern Illinois, there are rolling hills.
Sent 7: Why do you think this is?
Sent 8: What could have caused these features?
Sent 9: There are no big rivers that may have eroded and deposited this material.
Sent 10: The ground is capable of supporting grass and trees, so wind erosion would not explain it.
Sent 11: To answer the question, you need to go back 12,000 years.
Sent 12: Around 12,000 years ago, a giant ice sheet covered much of the Midwest United States.
Sent 13: Springfield, Illinois, was covered by over a mile of ice.
Sent 14: Its hard to imagine a mile thick sheet of ice.
Sent 15: The massive ice sheet, called a glacier, caused the features on the land you see today.
Sent 16: Where did glaciers go?
Sent 17: Where can you see them today?
Sent 18: Glaciers are masses of flowing ice.
Question: What are glaciers and what affect do they have on land? (A) Massive sheet of ice that causes changes in the landscape (B) The massive ice sheet, called a glacier, caused the features on the land (C) A large snow bank that changes the landscape (D) Glaciers are masses of flowing ice (E) Glacier are large sheets of ice that can cause the noticeable features on land, like flatness or rolling hills (F) A large snowbank that erodes soil (G) A large river that erodes soil.
[A]: A, B, E.

[Q]: Paragraph- Sent 1: Appended to the last book, however, is a self-contained essay on aesthetics, which Durer worked on between 1512 and 1528, and it is here that we learn of his theories concerning 'ideal beauty'.
Sent 2: Durer rejected Alberti's concept of an objective beauty, proposing a relativist notion of beauty based on variety.
Sent 3: Nonetheless, Durer still believed that truth was hidden within nature, and that there were rules which ordered beauty, even though he found it difficult to define the criteria for such a code.
Sent 4: In 1512/13 his three criteria were function ('Nutz'), naive approval ('Wohlgefallen') and the happy medium ('Mittelmass').
Sent 5: However, unlike Alberti and Leonardo, Durer was most troubled by understanding not just the abstract notions of beauty but also as to how an artist can create beautiful images.
Sent 6: Between 1512 and the final draft in 1528, Durer's belief developed from an understanding of human creativity as spontaneous or inspired to a concept of 'selective inward synthesis'.
Sent 7: In other words, that an artist builds on a wealth of visual experiences in order to imagine beautiful things.
Sent 8: Durer's belief in the abilities of a single artist over inspiration prompted him to assert that "one man may sketch something with his pen on half a sheet of paper in one day, or may cut it into a tiny piece of wood with his little iron, and it turns out to be better and more artistic than another's work at which its author labours with the utmost diligence for a whole year.".
Question: What was one of Durer's theories concerning 'ideal beauty?' (A) He found it difficult to define the criteria for such a code (B) He proposed a relativist notion of beauty based on variety (C) He believe that believed that truth was hidden within nature, and that there were rules which ordered beauty.
[A]: B, C.

[Q]: Paragraph- Sent 1: Alexis-Charles-Henri Clerel de Tocqueville (French: [aleksi SaRl aRi kleRel d@ tokvil]; 29 July 1805 - 16 April 1859) was a French political thinker and historian best known for his works Democracy in America (appearing in two volumes: 1835 and 1840) and The Old Regime and the Revolution (1856).
Sent 2: In both of these, he analyzed the improved living standards and social conditions of individuals, as well as their relationship to the market and state in Western societies.
Sent 3: Democracy in America was published after Tocqueville's travels in the United States, and is today considered an early work of sociology and political science.
Sent 4: Tocqueville was active in French politics, first under the July Monarchy (1830-1848) and then during the Second Republic (1849-1851) which succeeded the February 1848 Revolution.
Sent 5: He retired from political life after Louis Napoleon Bonaparte's 2 December 1851 coup, and thereafter began work on The Old Regime and the Revolution.
Sent 6: He argued that the importance of the French Revolution was to continue the process of modernizing and centralizing the French state which had begun under King Louis XIV.
Sent 7: The failure of the Revolution came from the inexperience of the deputies who were too wedded to abstract Enlightenment ideals.
Sent 8: Tocqueville was a classical liberal who advocated parliamentary government, but was skeptical of the extremes of democracy.
Question: What was Democracy in America? (A) A French political thinker and historian (B) Democracy in America was Toqueville's published work that is currently considered an early work of sociology and political science (C) A single volume book (D) The Old Regime.
[A]:
B.