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.

Q: Question: How big was the Royal Air Force the year York joined Aston Villa? Passage:York started his career with Handsworth Royal, Birchfield Rangers and the Royal Air Force, and also guested for Chelsea during World War I. In March 1915 he joined Aston Villa as an amateur, signing professional forms in August 1919. He scored one goal in 17 games in 1919–20, but did not feature in the 1920 FA Cup Final, which ended in a 1–0 victory over Huddersfield Town at Stamford Bridge. He appeared just 11 times in 1920–21, before going on to make 47 appearances in the 1921–22 campaign, as the "Villans" finished fifth in the First Division. He scored nine goals in 37 games in 1922–23 and five goals in 43 games in 1923–24. He also appeared at Wembley in the 1924 FA Cup Final, in a 2–0 defeat to Newcastle United. He scored seven goals in 34 matches in 1924–25, before hitting 20 goals in 44 appearances in 1925–26. He bagged 13 goals in 43 games in 1926–27, before being limited to just four goals in 30 appearances in 1927–28. He rediscovered his scoring form with 18 strikes in 48 matches in 1928–29, before hitting seven goals in 32 games in 1929–30. However he played just four times in the 1930–31 campaign, as Villa finished second in the league with an English record of 128 top-flight league goals scored.
 Links: a. 1923–24 Football League b. Royal Air Force c. Huddersfield Town A.F.C. d. Royal Air Force

A: b
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Q: Question: Which of Eugenio's cousins in the first degree reigned longer with their respective titles? Passage:In addition to being a cousin in the first degree of Victor Amadeus III of Sardinia and of Louis Joseph of Bourbon, Prince de Condé, Eugènio's sister Maria Teresa (1749-1792) had married Louis Alexandre de Bourbon, Prince de Lamballe, the heir of a legitimised branch of the French royal family when he was 13, and had become the close friend and Surintendante of the French queen, Marie Antoinette of Austria, by 1775. As his elder brother, Victor Amadeus, was heir to the Carignano princedom, the traditional occupations for a younger son of a princely house, an episcopal or military sinecure, beckoned him to the French court. Upon reaching adulthood, he assumed a family title, Count of Villafranca, and obtained a commission in the French army service as proprietary colonel of the Villefranche Regiment, and was known there as "Prince Eugène, comte de Villefranche".
 Links: a. Victor Amadeus III of Sardinia b. Legitimation c. Sinecure d. Victor Amadeus III of Sardinia

A: a
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Q: Question: Was Lincolnshire overpopulated the year Piccaver was born? Passage:Piccaver was born on 5 February 1884 in the Lincolnshire town of Long Sutton to chemist Frederick Herman Piccaver (born 1864, died 17 February 1916) and his wife Sarah Ann Sissons. The Piccavers had been farm laborers, but there were also claims of Spanish ancestry dating back to the Spanish Armada. At a young age, Alfred emigrated with his family to the United States of America. The family resettled in Albany, NY and took American citizenship. Frederick Piccaver worked as head brewer of the Beverwyck Brewery. Alfred joined the choir of Albany's St. Peter's Episcopal Church as a boy soprano. He also became a soloist at the North Reformed Church in Watervliet. The young Piccaver went on to study voice with S. Graham Nobbes, who had been chief instructor of the Emma Willard Conservatory of Music and with Allan Lindsay, conductor of the Troy Conservatory of Music. Alfred later trained to be electrical engineer but he had a talent for singing and in 1905 he enrolled at the Metropolitan School of Opera. The school's director Heinrich Conried recognised his considerable vocal ability and in 1907 sent the young Alfred to Prague, where he studied with Ludmilla Prochazka-Neumann (1872–1954).
 Links: a. Albany, New York b. Emma Willard School c. Prague d. Lincolnshire

A:
d
****