In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.

[Q]: Question: How long was the fortification that the German Army retreated to? Passage:Adair fought in the First World War. He joined the British Army, receiving his commission as a probationary second lieutenant on 2 May 1916 in the 5th (Reserve) Battalion of the Grenadier Guards. From January 1917 onwards he served in the trenches of the Western Front in France and Belgium as part of the 2nd Company, 3rd Battalion, Grenadier Guards, with the rank of lieutenant. The battalion was part of the 2nd Guards Brigade of the Guards Division. Adair's first major battle was in the pursuit of the retreating German Army to the Hindenburg Line. The division then took part in the Battle of Passchendaele. Adair, however, took no part in the battle, due to an injury sustained in a bicycle accident in early July 1917. He returned to the battalion in January 1918.

[A]: b


[Q]: Question: What was the population of the Principality of Samtskhe while Sargis II Jaqeli was the ruler? Passage:Sargis II Jaqeli () (1271 – 1334) was a Georgian prince (mtavari) and ruler of Principality of Samtskhe from 1306 to 1334. He was a son of Prince Beka I Jaqeli. During his father's reign Sargis participated in many campaigns. In 1290s Azat Mousa, leader of the Anatolian Turkoman tribes, attacked Samtskhe. Beka Jaqeli appointed Sargis as a commander of army and ordered him to stop Turks near village Vashlovani. Around 1303, Sargis defeated Turkoman tribes and expelled them from Meskhetian lands. In 1306, after his father's death, Sargis ascended the Atabeg's throne. He was made Amirspasalar by his nephew, King George V "the Brilliant". After Sargis II's death, his son Qvarqvare became a new Prince of Meskheti, also the vassal of Georgian kingdom.

[A]: a


[Q]: Question: What is the largest city near the village that preserved the Waga name? Passage:The manor is recorded in the Domesday Book where it is listed as Holehale, one of the lands of Robert de Stafford. "In Ferncombe Hundred in Holehale (Ullenhall) 1 hide. Land for 15 ploughs. 17 villagers and 11 smallholders with 6 ploughs. Woodland ½ league long and 1 furlong wide. The value was and is £3 Waga held it." Waga, whose name is preserved in the nearby village of Wootton Wawen, was one of the witness's to Earl Leofric's, husband of Lady Godiva, foundation of the monastery at Coventry during the first year of the reign of Edward the Confessor (1042/3). His lands extended beyond those at Ullenhall, but, following the Conquest, Ullenhall was bestowed by the conqueror on Robert de Stafford, descended from the de Tonei family and who had fought stoutly with Duke William against King Harold. He made Stafford his principal seat, where he had a strong castle and assumed his surname from thence.

[A]:
a