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: The city of Edinburgh grew up around the steep, ragged cliff of the Castle Rock and its easily defended summit.
Sent 2: Archaeological excavations have revealed evidence of habitation here as long ago as 900 b.c.
Sent 3: Very little, however, is known about the Rock and its inhabitants in the centuries between its first occupation and the time of the MacAlpin kings.
Sent 4: A few shadowy details have been left to us by the Romans and by an epic poem from the seventh century.
Sent 5: Romans and Britons The Romans invaded Scotland in a.d.
Sent 6: 7884, where they met a fierce group called the Picts, whom they drove north.
Sent 7: They consolidated their gains by building Antonine's Wall across the waist of Scotland between the Firth of Forth and the River Clyde in about a.d.
Sent 8: Roman legions encountered the strongholds of the Castle Rock and Arthur's Seat, held by a tribe of ancient Britons known as the Votadini.
Sent 9: Little is recorded about this group, but they were probably the ancestors of the Gododdin, whose feats are told in a seventh-century Old Welsh manuscript.
Sent 10: The capital of the Gododdin was Din Eidyn (the "Fort of Eidyn," almost certainly the Castle Rock), whose name lives on in the Edin- of Edinburgh.
Sent 11: Din Eidyn fell to the Angles in 638 and became part of the Anglian kingdom of Northumbria.
Sent 12: It was the first of many times that the Fort of Eidyn would change hands between the kingdoms of the north and the south.
Sent 13: The MacAlpin Kings Four distinct peoples once inhabited the land now known as Scotland: the Picts in the north, the Britons in the southwest, the invading Angles in the southeast, and the Scots in the west.
Sent 14: The Scots were Gaelic-speaking immigrants from the north of Ireland.
Sent 15: Kenneth MacAlpin, who ruled as king of Scots at Dunadd, acquired the Pictish throne in 843, uniting Scotland north of the River Forth into a single kingdom.
Sent 16: He moved his capitalalong with the Stone of Destiny (on which Scottish kings were crowned)to the sacred Pict site of Scone, close to Perth.
Sent 17: His great-great-great-grandson, Malcolm II (10051034), defeated the Angles at the Battle of Carham in 1018 and extended Scottish territory as far south as the River Tweed.
Question: What languages were spoken in old time Scotland that are listed in the article? (A) Welsh (B) Greek (C) Gaelic (D) Latin (E) Angels (F) English (G) Pictish (H) Romanian (I) Scottish.
Example Output: C.

Example Input: Paragraph- Sent 1: Magnets are able to place a force on certain materials.
Sent 2: This force is called a magnetic force.
Sent 3: The force a magnet exerts is a little different from the forces you may normally think about.
Sent 4: You exert a force on a book when you lift it.
Sent 5: You also exert a force on the pedals of your bicycle.
Sent 6: In both those cases, those forces cause a change.
Sent 7: The change you see in both these cases is called motion.
Sent 8: Magnets, too, can produce change.
Sent 9: They can produce motion just like you do.
Sent 10: Unlike you, magnets do not have to touch something to exert a force.
Sent 11: A magnetic force is exerted over a distance.
Sent 12: Thats right, a magnet can push or pull certain items without ever touching them.
Sent 13: Thats how the maglev train works.
Sent 14: Do you know another type of force that does not require objects to touch?
Sent 15: These forces are known as non-contact forces.
Sent 16: Another type of non-contact force you may be familiar with is gravity.
Sent 17: Gravity too can cause changes in motion.
Sent 18: Gravity holds our moon in orbit without touching it.
Question: How do magnets produce change? (A) They produce change just like humans do (B) They produce change by exerting a force over a distance (C) By touching things (D) Magnets do not have to touch something to exert a force (E) They can produce motion.
Example Output: B, D, E.

Example Input: Paragraph- Sent 1: After the death of Spitamenes and his marriage to Roxana (Roshanak in Bactrian) to cement relations with his new satrapies, Alexander turned to the Indian subcontinent.
Sent 2: He invited the chieftains of the former satrapy of Gandhara, in the north of what is now Pakistan, to come to him and submit to his authority.
Sent 3: Omphis(Indian name Ambhi Kumar), the ruler of Taxila, whose kingdom extended from the Indus to the Hydaspes (Jhelum), complied, but the chieftains of some hill clans, including the Aspasioi and Assakenoi sections of the Kambojas (known in Indian texts also as Ashvayanas and Ashvakayanas), refused to submit.
Sent 4: Ambhi hastened to relieve Alexander of his apprehension and met him with valuable presents, placing himself and all his forces at his disposal.
Sent 5: Alexander not only returned Ambhi his title and the gifts but he also presented him with a wardrobe of "Persian robes, gold and silver ornaments, 30 horses and 1000 talents in gold".
Sent 6: Alexander was emboldened to divide his forces, and Ambhi assisted Hephaestion and Perdiccas in constructing a bridge over the Indus where it bends at Hund (Fox 1973), supplied their troops with provisions, and received Alexander himself, and his whole army, in his capital city of Taxila, with every demonstration of friendship and the most liberal hospitality.
Sent 7: On the subsequent advance of the Macedonian king, Taxiles accompanied him with a force of 5000 men and took part in the battle of the Hydaspes River.
Sent 8: After that victory he was sent by Alexander in pursuit of Porus, to whom he was charged to offer favourable terms, but narrowly escaped losing his life at the hands of his old enemy.
Sent 9: Subsequently, however, the two rivals were reconciled by the personal mediation of Alexander; and Taxiles, after having contributed zealously to the equipment of the fleet on the Hydaspes, was entrusted by the king with the government of the whole territory between that river and the Indus.
Sent 10: A considerable accession of power was granted him after the death of Philip, son of Machatas; and he was allowed to retain his authority at the death of Alexander himself (323 BC), as well as in the subsequent partition of the provinces at Triparadisus, 321 BC.
Sent 11: In the winter of 327/326 BC, Alexander personally led a campaign against these clans; the Aspasioi of Kunar valleys, the Guraeans of the Guraeus valley, and the Assakenoi of the Swat and Buner valleys.
Sent 12: A fierce contest ensued with the Aspasioi in which Alexander was wounded in the shoulder by a dart, but eventually the Aspasioi lost.
Sent 13: Alexander then faced the Assakenoi, who fought in the strongholds of Massaga, Ora and Aornos.
Sent 14: The fort of Massaga was reduced only after days of bloody fighting, in which Alexander was wounded seriously in the ankle.
Sent 15: According to Curtius, "Not only did Alexander slaughter the entire population of Massaga, but also did he reduce its buildings to rubble".
Sent 16: A similar slaughter followed at Ora.
Sent 17: In the aftermath of Massaga and Ora, numerous Assakenians fled to the fortress of Aornos.
Sent 18: Alexander followed close behind and captured the strategic hill-fort after four bloody days.
Question: What injuries did Alexander experience at the battles Aspasioi and Assakenoi? (A) Hands (B) Shoulder wound (C) A shoulder wound by Assakenoi and an ankle wound by the Aspasioi.
Example Output:
B, C.