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.

Example Input: Paragraph- Sent 1: A flight from Los Angeles to Nashville is diverted to land in Las Vegas , Nevada when one of the passengers , Ralph Bundt becomes violent and attacks a stewardess .
Sent 2: Ralph had been bitten by a hamster Which is really a lab rat , brought onto the plane by Henry for his school students .
Sent 3: Ralph is restrained , but not before he bites the flight attendant Paula .
Sent 4: The plane is forced to make an emergency landing in Las Vegas , and once it has landed , air traffic control refuses to let it approach the gate .
Sent 5: Disobeying orders , Captain Forrest and his co-pilot Willsy find a jetway operated by a baggage handler Ed Ramirez .
Sent 6: Almost everyone evacuates the plane , except for the elderly couple Bev Stevens and her paralyzed mute husband Doc Stevens , and the pilots , who try to keep the violent Ralph contained in an aircraft bathroom .
Sent 7: However , they learn that they have been locked out of the airport .
Sent 8: Soon , armed soldiers and what appear to be CDC scientists surround the terminal .
Sent 9: One of the passengers , a military medic named Shilah Washington , reveals she has a medical kit in her bag in the plane's cargo hold .
Sent 10: The lead flight attendant Jenny , Henry , Ed , Nial Britz , and Preston sneak back into the plane to retrieve it .
Sent 11: They retrieve Shilah's kit and Nial's gun and they try to leave the hold .
Sent 12: While in the plane , Jenny is attacked by an infected Captain Forrest and Nial shoots and kills him , but it seems that some of the captain's blood had gotten into Nial's eye .
Question: Where is Ralph contained after he is bitten by a hamster? (A) Terminal (B) Bedroom (C) Aircraft bathroom (D) Aircraft seat.
Example Output: C.

Example Input: Paragraph- Sent 1: You may wonder if there are other examples of static discharge.
Sent 2: The answer is yes.
Sent 3: Lightning is a form of static discharge.
Sent 4: It is much more dramatic than what happens between you and the door knocker, but it is the same principle.
Sent 5: You can see how it occurs in the following diagram and animation.
Sent 6: You have no doubt seen lightning in a rainstorm.
Sent 7: What does lighting have to do with static electricity?
Sent 8: As it turns out, everything!
Sent 9: During a rainstorm, clouds develop regions of different charges.
Sent 10: This happens due to the movement of air molecules, water drops, and ice particles.
Sent 11: The negative charges are concentrated at the base of the clouds.
Sent 12: The positive charges are concentrated at the top.
Sent 13: The negative charges repel electrons on the ground below.
Sent 14: The ground then becomes positively charged.
Sent 15: Over time the differences increase.
Sent 16: Eventually the electrons are discharged.
Sent 17: This is what we see as lightning.
Sent 18: You can watch an awesome slow-motion lightning strike below.
Question: How is the top of a cloud different from the base of the cloud during a rainstorm? (A) The positive charges are concentrated at the top (B) Top of cloud is neutral in charge (C) Bottom of cloud has dormant charge (D) He negative charges repel electrons on the ground below (E) Top and bottom clouds have opposite charges (F) Top and bottom clouds are oppositely charged (G) Negative charges are concentrated at the cloud base and positive charges are concentrated at the top.
Example Output: A, E, F, G.

Example Input: Paragraph- Sent 1: Alexander married twice: Roxana, daughter of the Bactrian nobleman Oxyartes, out of love; and Stateira II, a Persian princess and daughter of Darius III of Persia, for political reasons.
Sent 2: He apparently had two sons, Alexander IV of Macedon of Roxana and, possibly, Heracles of Macedon from his mistress Barsine.
Sent 3: He lost another child when Roxana miscarried at Babylon.
Sent 4: Alexander also had a close relationship with his friend, general, and bodyguard Hephaestion, the son of a Macedonian noble.
Sent 5: Hephaestion's death devastated Alexander.
Sent 6: This event may have contributed to Alexander's failing health and detached mental state during his final months.
Sent 7: Alexander's sexuality has been the subject of speculation and controversy.
Sent 8: No ancient sources stated that Alexander had homosexual relationships, or that Alexander's relationship with Hephaestion was sexual.
Sent 9: Aelian, however, writes of Alexander's visit to Troy where "Alexander garlanded the tomb of Achilles and Hephaestion that of Patroclus, the latter riddling that he was a beloved of Alexander, in just the same way as Patroclus was of Achilles".
Sent 10: Noting that the word eromenos (ancient Greek for beloved) does not necessarily bear sexual meaning, Alexander may have been bisexual, which in his time was not controversial.
Sent 11: Green argues that there is little evidence in ancient sources that Alexander had much carnal interest in women; he did not produce an heir until the very end of his life.
Sent 12: However, he was relatively young when he died, and Ogden suggests that Alexander's matrimonial record is more impressive than his father's at the same age.
Sent 13: Apart from wives, Alexander had many more female companions.
Sent 14: Alexander accumulated a harem in the style of Persian kings, but he used it rather sparingly; showing great self-control in "pleasures of the body".
Sent 15: Nevertheless, Plutarch described how Alexander was infatuated by Roxana while complimenting him on not forcing himself on her.
Sent 16: Green suggested that, in the context of the period, Alexander formed quite strong friendships with women, including Ada of Caria, who adopted him, and even Darius's mother Sisygambis, who supposedly died from grief upon hearing of Alexander's death.
Question: Alexander's father had how many children when he had Alexander's age when Alexander died? (A) Less than 3 (B) Two (C) 3.
Example Output:
A.