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: In October 1933 Einstein returned to the U.S. and took up a position at the Institute for Advanced Study (in Princeton, New Jersey), noted for having become a refuge for scientists fleeing Nazi Germany.
Sent 2: At the time, most American universities, including Harvard, Princeton and Yale, had minimal or no Jewish faculty or students, as a result of their Jewish quota which lasted until the late 1940s.
Sent 3: Einstein was still undecided on his future.
Sent 4: He had offers from several European universities, including Oxford where he stayed for three short periods between May 1931 and June 1933, however in 1935 he arrived at the decision to remain permanently in the United States and apply for citizenship.
Sent 5: Einstein's affiliation with the Institute for Advanced Study would last until his death in 1955.
Sent 6: He was one of the four first selected (two of the others being John von Neumann and Kurt Godel) at the new Institute, where he soon developed a close friendship with Godel.
Sent 7: The two would take long walks together discussing their work.
Sent 8: Bruria Kaufman, his assistant, later became a physicist.
Sent 9: During this period, Einstein tried to develop a unified field theory and to refute the accepted interpretation of quantum physics, both unsuccessfully.
Question: How many years was Einstein affiliated with the Institute for Advanced Study? (A) Over 20 years (B) 22 years (C) 20 years (D) 2 years.

Ex Output:
B, C.

Ex Input:
Paragraph- Sent 1: Mary, Queen of Scots: The baby was Mary Stuart, who at the age of nine months was crowned Queen of Scots at the Chapel Royal, Stirling.
Sent 2: When the news reached London, Henry VIII saw his chance to subdue Scotland again and negotiated a marriage between the infant Mary and his son Edward.
Sent 3: The Scots refused, and Henry sent an army rampaging through Scotland on a campaign known as the "Rough Wooing.
Sent 4: " The English king ordered his general to "burn Edinburgh town so there may remain forever a perpetual memory of the vengeance of God lightened upon the Scots.
Sent 5: " But more was at stake than simply Scotland's independence: there was now a religious schism within Britain.
Sent 6: In order to divorce Catherine of Aragon and marry Anne Boleyn, Henry VIII had broken with Rome and brought the English church under his own control.
Sent 7: England was thus now a Protestant country, caught between Catholic France and the Scots with their new Catholic queen.
Sent 8: The Scots themselves were divided, many embracing Protestantism in the spirit of the Reformation while others remained staunchly Catholic.
Sent 9: However, fear of the rampaging English army led the Scots again to seek help from their old Ailies in France, and the young queen married the Dauphin Francois, son of the French king.
Sent 10: Francois II became king of France in 1559 but died soon after.
Sent 11: In 1561 the 18-year-old Mary returned to a Scotland in the grip of the Reformation, as Protestant leaders had taken control of the Scottish parliament and abolished the authority of the pope.
Sent 12: Her Protestant cousin, Elizabeth Tudor, was on the English throne, but Elizabeththe "Virgin Queen"had no heir.
Sent 13: Mary was next in line for the English crown, and Elizabeth was suspicious of her intentions.
Sent 14: The six years of Mary's reign were turbulent ones.
Sent 15: She clashed early on with Edinburgh's famous Protestant reformer, John Knox, who held sway in St. Giles but later adopted an uneasy policy of religious tolerance.
Sent 16: In 1565 she married her young cousin Henry, Lord Darnley, much to the chagrin of Elizabeth (Darnley was a grandson of Margaret Tudor and thus also had a claim to the English throne).
Sent 17: On 19 June 1566, in the royal apartments in Edinburgh Castle, Mary gave birth to a son, Prince James.
Sent 18: Within a year, however, Darnley was murdered, and Mary immediately immersed herself in controversy by marrying the Earl of Bothwell, the chief suspect.
Question: What did Henry VIII hear that made him think he had a chance to subdue Scotland? (A) The Virgin queen couldn't find a suitor (B) He heard that the nine-month-old baby, Mary Stuart, had been crowned Queen of Scots (C) His cousin Elizabeth Tudor was on the English throne (D) The baby was Mary Stuart, who at the age of nine months was crowned Queen of Scots at the Chapel Royal, Stirling. When the news reached London, Henry VIII saw his chance to subdue Scotland again (E) Queen Mary of Scots was crowned.

Ex Output:
B, D, E.

Ex Input:
Paragraph- Sent 1: (CNN) -- Declaring 2010 "The best year in safety performance in our company's history," Transocean Ltd., owner of the Gulf of Mexico oil rig that exploded, killing 11 workers, has awarded its top executives hefty bonuses and raises, according to a recent filing with the U.S. Securities and Exchange Commission.
Sent 2: That includes a $200,000 salary increase for Transocean president and chief executive officer Steven L. Newman, whose base salary will increase from $900,000 to $1.1 million, according to the SEC report.
Sent 3: Newman's bonus was $374,062, the report states.
Sent 4: Newman also has a $5.4 million long-term compensation package the company awarded him upon his appointment as CEO in March 2010, according to the SEC filing.
Sent 5: The latest cash awards are based in part on the company's "performance under safety," the Transocean filing states.
Sent 6: "Notwithstanding the tragic loss of life in the Gulf of Mexico, we achieved an exemplary statistical safety record as measured by our total recordable incident rate and total potential severity rate," the SEC statement reads.
Sent 7: "As measured by these standards, we recorded the best year in safety performance in our Company's history."Sent 8: The company called that record "a reflection on our commitment to achieving an incident-free environment, all the time, everywhere," the SEC filing states.
Sent 9: The company did not respond to an e-mail from CNN seeking comment.
Sent 10: The April 20, 2010, explosion on the Deepwater Horizon rig injured 17 workers and killed 11 others, including nine Transocean employees, according to the SEC filing.
Sent 11: It has been called the worst spill in U.S. history.
Sent 12: The well was capped three months later, but not before millions of barrels of oil spilled into the Gulf.
Sent 13: In January, President Barack Obama's National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling released a report that spread blame for the accident among Transocean, BP -- which leased the rig -- and Halliburton, which installed the rig's cement casing.
Question: What is the name of the oil rig in the Gulf of Mexico (A) Transocean Ltd (B) Transmission (C) Halliburton (D) Transvision (E) Deepwater Horizon (F) Transocean.

Ex Output:
A, E.