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: Which of Harald's wives was the mother of his son Sweyn? Passage:Gorm's son, Harald Bluetooth succeeded his father as king and married possibly three times with Gunhild, Tove and Gyrid. Harald had a son named Sweyn Forkbeard. Sweyn succeeded his father as king and married Gunhild (Świętosława of Poland). They had a son named Cnut the Great. Sweyn also ruled England in his lifetime and established the Danish Empire. When Sweyn died, his elder son Harald Svendsen became the King of Denmark, while England's former king, Ethelred, reclaimed the throne. Following Harald's death, his brother Cnut the Great became king, re-established the Danish North Sea Empire. He married Emma of Normandy with whom he had a son named Harthacnut. When Cnut died (and after the brothers of Harthacnut also had died), Harthacnut became king of Denmark and England. Upon his death, Edward the Confessor became ruler of England in 1042. Sweyn Forkbeard also had a daughter, Estrid, from whom all ruling kings and queens of Denmark after 1047 descend.


Ex Output:
a


Ex Input:
Question: How many features did Brecht and Dudow work on together? Passage:Dudow was born in Zaribrod, Bulgaria (today Dimitrovgrad, Serbia). In 1922, he emigrated to Berlin with the intention of becoming an architect. He gave up this plan and began studying theatre in 1923, first under Emmanuel Reicher, and then, from 1925 to 1926, as a theatre studies student under Max Herrmann at the university. He worked with Leopold Jessner and Jürgen Fehling, served as a chorus member under Erwin Piscator, and was a director's assistant to Fritz Lang on the production of Metropolis. During this time, Dudow also ran a bookstore with his wife and worked as a foreign correspondent for a Bulgarian newspaper. In 1929, he visited the Soviet Union, where he met Vladimir Mayakovsky and Sergei Eisenstein in Moscow and eventually, Bertolt Brecht. After his return from the USSR, Dudow directed Brecht's theatrical piece, The Decision (Die Massnahme), and began his film directing career. He was commissioned by the left-wing, Soviet-German production company Prometheus-Film to direct a short film, Wie der Berliner Arbeiter wohnt (1929), as part of the documentary series Wie lebt der Berliner Arbeiter? Dudow's first feature, Kuhle Wampe (To Whom Does the World Belong?, 1932) was a collaboration with Brecht (who provided the script and helped finance the project), Hanns Eisler, and Ernst Ottwalt. It was banned because it was perceived as being politically subversive. 


Ex Output:
a


Ex Input:
Question: How many teams are current playing in the league that Olympique Lyonnais is in? Passage:Lyon is home to the football club Olympique Lyonnais (OL), whose men's team plays in Ligue 1 and has won the championship of that competition seven times, all consecutively from 2002 to 2008). OL played until December 2015 at the 43,000-seat Stade de Gerland, which also hosted matches of the 1998 FIFA World Cup. Since 2016, the team has played at the Parc Olympique Lyonnais, a 59,000-seat stadium located in the eastern suburb of Décines-Charpieu. OL operates a women's team, Olympique Lyonnais Féminin, which competes in and dominates Division 1 Féminine. They are on a streak of 13 top-flight championships (2007–present), and additionally claim the four titles won by the original incarnation of FC Lyon, a women's football club that merged into OL in 2004 (the current FC Lyon was founded in 2009). The OL women have also won the UEFA Women's Champions League five times, including the two most recent editions in 2016 and 2017. Lyon will host the 2019 FIFA Women's World Cup Semi-Finals as well as the 7 July Final at Stade de Lyon. 


Ex Output:

b