user: 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.

Input: Consider Input: Question: Who is the mayor of the city that Delta Connection ended service to on May 1, 2008? Passage:In later years, Continental Express continued to serve the airport with nonstop regional jet flights to Cleveland while Continental Connection was operating nonstop turboprop flights to Albany, NY; however, both services ended in 2005. Spirit Airlines scheduled flights to several Florida cities and Detroit, before moving to LaGuardia Airport in 2001; in May 2008 the airline resumed service to Fort Lauderdale from MacArthur only to drop it soon after. Delta Express, which had nonstops to Orlando and Fort Lauderdale, dropped MacArthur Airport in 2003 after a decline in traffic. Delta Connection regional jet service to Atlanta flown by Atlantic Southeast Airlines (ASA) on behalf of Delta Air Lines ended on May 1, 2008 following a mid-April announcement that Delta and Northwest Airlines were planning to merge – a move that led to changes for the merged airline.
 Links: a. Spirit Airlines b. Delta Air Lines c. Spirit Airlines d. Atlanta

Output: d


Input: Consider Input: Question: How old was Rudy Vallee when he reached number 15 on the Billboard charts? Passage:Rudy Vallee was the first artist to make the charts in Billboard magazine with "As Time Goes By" when he took the song to number 15 in 1931, but after the song was featured in the film Casablanca his recording was reissued and spent four weeks at number one in 1943. "Begin the Beguine" was first put on the charts by Xavier Cugat & His Waldorf-Astoria Orchestra with Don Reid on vocal for two weeks in 1935 when it reached number 13. Patti Austin's "We're in Love" made it to number 90 on the magazine's R&B chart in February 1978, and the Expanded Edition CD bonus track "I Never Said I Love You" was first recorded by Barbara Mandrell for her 1976 album Midnight Angel but was a number 84 pop hit for Orsa Lia that also spent a week at number one on the magazine's Easy Listening chart in 1979.
 Links: a. Waldorf Astoria New York b. Casablanca (film) c. Barbara Mandrell d. Rudy Vallée

Output: d


Input: Consider Input: Question: In what city is the team that Beccacece's team beat 8-1 at Estadio Nacional? Passage:On 24 January, in his second league game since his debut for this competition at the bench (a 1–1 away draw with Deportes Antofagasta), Beccacece impressed following the team’s 8–1 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 (2–1). 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 4–1 away victory over Cobresal would be a balm of the team’s moment. Following a 0–0 draw with Unión Española and two losses (3–1 with Universidad de Concepción as local and 5–4 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 América Centenario break.
 Links: a. 2016 Copa Libertadores first stage b. Santiago Wanderers c. Unión Española d. O'Higgins F.C.



assistant: Output: d