In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as `a` for Yes or `b` for No.

Ex Input:
Question: How much was Félix de los Heros' contract worth with the Brooklyn Hispano? Passage:It is unclear where or when de los Heros started his playing career but in 1932 he was playing for Barakaldo FC. In 1934 he moved to Sevilla FC. Late in 1936 he joined Gimnástico de Valencia. In 1937, in the middle of the Spanish Civil War, he joined Barcelona FC. His first game for them was on the 16 May 1937 against the Catalan national team. He never actually played for them in the domestic league but participated in the Barcelona FC tour of North America later in 1937. When the tour ended he signed for Brooklyn Hispano, a United States team that played in the American Soccer League. Later he moved to Mexico where he played for Club Deportivo Euzkadi in the Primera Fuerza league for the 1938/39 season. He also played for the Basque Country national football team twice during that period. Later he joined Club España, before going on to play in several other Mexican teams.


Ex Output:
b


Ex Input:
Question: Where did Corinna Dixon live the year she married Hamilton? Passage:Hamilton followed his mother as a Christian Scientist, and attended Claremont Fan Court School and then Eton College. He did National Service in the Coldstream Guards from 1955 to 1958. His father had been wounded while serving with the same regiment in the Second World War. Hamilton then worked in the City of London as a gilts broker. He was a member of the London Stock Exchange from 1967 to 1980. He remained in the City for only a short period, leaving when he inherited two estates from his father's cousin. He married his wife, Corinna Dixon, in 1967, and they had four sons together. He succeeded his father as Baron Hamilton of Dalzell in 1990, inheriting land near and properties in the village of Betchworth in Surrey, and a Regency mansion.


Ex Output:
b


Ex Input:
Question: When did the group that Lewis made his opera debut with first established? Passage:William Lewis was educated at the University of Colorado, Texas Christian University and New York University. He began his career as a writer and an athlete before deciding to pursue a career in opera. He began his voice training under Karl Kritz and Arthur Faguy Coté in Fort Worth, followed by studies with Susan Seton and Hulda and Luigi Rossini in New York. He made his professional opera debut in 1953 with Fort Worth Opera as Rinuccio in Puccini's Gianni Schicchi. Two years later he won the Metropolitan Opera's Audition of the Air competition (precursor to the National Council Auditions). Lewis made his debut at the Metropolitan Opera as Narraboth in Salome on March 1, 1958 and subsequently sang in 234 performances in his 35 years with the company. In 1975 he made his debut at San Francisco Opera as Steuermann and Erik in The Flying Dutchman and has sung in sixteen different productions with the company in subsequent seasons. In 1981 he made his debut at the Salzburg Festival in the title role of Offenbach's The Tales of Hoffmann, returning there for the following four years in such roles as Arbace in Idomeneo and the First Geharnischter in The Magic Flute. In 1990 he made his debut at the Teatro Lirico in the world premiere of Azio Corghi's Blimunda.


Ex Output:

b