In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Ex Input:
Question: When was the gunnery school David moved to in 1932 built? Passage:He was assigned as a midshipman on 1 May 1929 after finishing top of his class in five subjects. In 1930 he was assigned to the battleship Marlborough, part of the Third Battle Squadron; and the following year to the battlecruiser in September 1931 on which he served with fellow midshipman, and future vice admiral, Peter Gretton. While serving on the ship, Wanklyn was promoted to acting sub-lieutenant (the equivalent of an army second lieutenant) on 1 January 1932. Soon afterwards he moved to the naval gunnery school - HMS Excellent - at Whale Island, Portsmouth to learn more about naval navigation to qualify for his second ring at the rank of lieutenant. In February 1933 he moved to HMS Dolphin and was promoted to lieutenant on 1 February 1933.
Links: a. Excellent b. Battlecruiser c. Vice admiral d. Whale Island, Hampshire

Ex Output:
a

Ex Input:
Question: What city was the game held where Beccacece's team beat O'Higgins 8-1? Passage:On 24 January, in his second league game since his debut for this competition at the bench (a 11 away draw with Deportes Antofagasta), Beccacece impressed following the team's 81 home thrash over O'Higgins at the Estadio Nacional. After of that great victory nevertheless the team reaped three draws and one loss against Palestino (21). During February's first days, the team was eliminated of the Copa Libertadores first stage by Uruguay's River Plate F.C., which was his first failure and it meant being the target of criticism from the press and the team's supporters. On 28 February, the 41 away victory over Cobresal would be a balm of the team's moment. Following a 00 draw with Union Espanola and two losses (31 with Universidad de Concepcion as local and 54 against Santiago Wanderers as visitors), he back to draw, now in the Chilean football derby with Colo-Colo, which was again a goalless where both teams were criticized for its game level. Finally, Beccacece would end in the tenth place with three wins, seven draws and five losses and his continuity was heavily questioned during the Copa America Centenario break.
Links: a. Estadio Nacional Julio Martinez Pradanos b. 2016 Copa Libertadores first stage c. C.D. Antofagasta d. 2016 Torneo Clausura (Chile)

Ex Output:
a

Ex Input:
Question: In what year was the play that mentions her earliest written? Passage:Taking the earliest first, Euripides Ion, lines 2223; 484485, mentions her, but in the Moses Hadas and John Mclean 1960 Bantam Classics translation they have Euripides say respectively: "(Athena) gave Erichthonius to Aglaurus' daughters (not sisters) to keep." and later, speaking of "a haunt of Pan": "There the daughters of Aglaurus still tread the measures of their dance, on the green lawns before the shrine of Pallas (Athena)...".According to the Bibliotheca, Hephaestus attempted to rape Athena but was unsuccessful. His semen fell on the ground, impregnating Gaia. Gaia did not want the infant Erichthonius, so she gave the baby to the goddess Athena. Athena gave the baby in a box to three womenAglaurus and her two sisters Herse and Pandrosusand warned them to never open it. Aglaurus and Herse opened the box. The sight of the infant caused them both to go insane and they threw themselves off the Acropolis, or, according to Hyginus, into the sea.
Links: a. Euripides b. Acropolis of Athens c. Athena d. Bibliotheca (Pseudo-Apollodorus)

Ex Output:
a