instruction:
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.
question:
Paragraph- Sent 1: At the conference room table was White House Deputy Chief of Staff Joshua Bolten.
Sent 2: Bolten watched the exchanges and, after what he called "a quiet moment,"suggested that the Vice President get in touch with the President and confirm the engage order.
Sent 3: Bolten told us he wanted to make sure the President was told that the Vice President had executed the order.
Sent 4: He said he had not heard any prior discussion on the subject with the President.
Sent 5: The Vice President was logged calling the President at 10:18 for a twominute conversation that obtained the confirmation.
Sent 6: On Air Force One, the President's press secretary was taking notes; Ari Fleischer recorded that at 10:20, the President told him that he had authorized a shootdown of aircraft if necessary.
Sent 7: Minutes went by and word arrived of an aircraft down in Pennsylvania.
Sent 8: Those in the shelter wondered if the aircraft had been shot down pursuant to this authorization.
Sent 9: At approximately 10:30, the shelter started receiving reports of another hijacked plane, this time only 5 to 10 miles out.
Sent 10: Believing they had only a minute or two, the Vice President again communicated the authorization to "engage or "take out" the aircraft.
Sent 11: At 10:33, Hadley told the air threat conference call: "I need to get word to Dick Myers that our reports are there's an inbound aircraft flying low 5 miles out.
Sent 12: The Vice President's guidance was we need to take them out."Sent 13: Once again, there was no immediate information about the fate of the inbound aircraft.
Sent 14: In the apt description of one witness, "It drops below the radar screen and it's just continually hovering in your imagination; you don't know where it is or what happens to it."Sent 15: Eventually, the shelter received word that the alleged hijacker 5 miles away had been a medevac helicopter.
Sent 16: Transmission of the Authorization from the White House to the Pilots The NMCC learned of United 93's hijacking at about 10:03.
Sent 17: At this time the FAA had no contact with the military at the level of national command.
Sent 18: The NMCC learned about United 93 from the White House.
Question: Did the President order the aircraft to stop? (A) No (B) Yes.
answer:
B.

question:
Paragraph- Sent 1: As for engravings, Durer's work was restricted to portraits and illustrations for his treatise.
Sent 2: The portraits include Cardinal-Elector Albert of Mainz; Frederick the Wise, elector of Saxony; the humanist scholar Willibald Pirckheimer; Philipp Melanchthon, and Erasmus of Rotterdam.
Sent 3: For those of the Cardinal, Melanchthon, and Durer's final major work, a drawn portrait of the Nuremberg patrician Ulrich Starck, Durer depicted the sitters in profile, perhaps reflecting a more mathematical approach.
Sent 4: Despite complaining of his lack of a formal classical education, Durer was greatly interested in intellectual matters and learned much from his boyhood friend Willibald Pirckheimer, whom he no doubt consulted on the content of many of his images.
Sent 5: He also derived great satisfaction from his friendships and correspondence with Erasmus and other scholars.
Sent 6: Durer succeeded in producing two books during his lifetime.
Sent 7: "The Four Books on Measurement" were published at Nuremberg in 1525 and was the first book for adults on mathematics in German, as well as being cited later by Galileo and Kepler.
Sent 8: The other, a work on city fortifications, was published in 1527.
Sent 9: "The Four Books on Human Proportion" were published posthumously, shortly after his death in 1528.
Question: Whom did Durer both draw a porter of and consult with? (A) The Cardinal (B) Ulrich Starck (C) Frederick the Wise (D) Philipp Melanchthon (E) Melanchthon (F) Willibald Pirckheimer (G) Erasmus.
answer:
F, G.

question:
Paragraph- Sent 1: Paul put the despised watch away And laid out before him his array Of stones and metals, and when the morning Struck the stones to their best adorning, He chose the brightest, and this new watch Was so light and thin it seemed to catch The sunlight's nothingness, and its gleam.
Sent 2: Topazes ran in a foamy stream Over the cover, the hands were studded With garnets, and seemed red roses, budded.
Sent 3: The face was of crystal, and engraved Upon it the figures flashed and waved With zircons, and beryls, and amethysts.
Sent 4: It took a week to make, and his trysts At night with the Shadow were his alone.
Sent 5: Paul swore not to speak till his task was done.
Sent 6: The night that the jewel was worthy to give.
Sent 7: Paul watched the long hours of daylight live To the faintest streak; then lit his light, And sharp against the wall's pure white The outline of the Shadow started Into form.
Sent 8: His burning-hearted Words so long imprisoned swelled To tumbling speech.
Sent 9: Like one compelled, He told the lady all his love, And holding out the watch above His head, he knelt, imploring some Littlest sign.
Sent 10: The Shadow was dumb.
Question: What was Paul trying to make? (A) A watch (B) A jeweled watch (C) Red rose.
answer:
A, B.