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.
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Question: Question: Did the highest scoring fighter ace have any siblings? Passage:After a short rest, the 90th continued across the Moselle River to take Mainz, 22 March, and crossed the rivers Rhine, the Main, and the Werra in rapid succession. Pursuit continued to the Czech border, 18 April 1945, and into the Sudetes mountain range. The division was en route to Prague when they came upon the remaining 1500 emaciated prisoners left behind by the SS at Flossenbürg concentration camp. Today, a memorial wall at the former camp honors the 90th as the liberators of Flossenbürg concentration camp. A week later, word came that the war in Europe ended on 8 May 1945. On that same day, Erich Hartmann, the highest-scoring fighter ace in history, along with a squadron of the elite Jagdgeschwader 52 fighter wing (the highest-scoring fighter wing in history), surrendered to the 90th.


Answer: b


Question: Question: Who is the current owner of the club that the Pearson trade was initially unpopular among fans? Passage:Pearson's trade to the New York Yankees was initially unpopular among fans, with Joe McCarthy receiving heavy criticism for dealing Allen—who had a 13–6 record in 1935—for Pearson. However, Pearson repaid his manager's faith in him by churning out the best statistical year in his career. His .731 winning percentage (19–7 record) was third best in the AL; he finished fifth in ERA (3.71) and strikeouts (118) and sixth in wins, though he also recorded the third-highest number of walks in the AL with 135. His performance during the first half of the season resulted in him being selected for the 1936 All-Star Game, though he did not pitch in it. In the postseason, the Yankees advanced to the World Series, where they defeated the New York Giants 4–2. In Game 4, Pearson—who insisted on being included in the rotation even after falling ill with pleurisy just before the Series—limited the Giants to just two runs while striking out seven in a complete game win. Offensively, he managed to get two hits, including a double. The 5–2 victory ended Carl Hubbell's streak of 17 consecutive regular and postseason wins.


Answer: b


Question: Question: Which mountain range is higher, the Precordillera or the Andes? Passage:The Precordillera terrane of western Argentina is a large mountain range located southeast of the main Andes mountain range. The evolution of the Precordillera is noted for its unique formation history compared to the region nearby. The Cambrian-Ordovian sedimentology in the Precordillera terrane has its source neither from old Andes nor nearby country rock, but shares similar characteristics with the Grenville orogeny of eastern North America. This indicates a rift-drift history of the Precordillera in the early Paleozoic. The Precordillera is a moving micro-continent which started from the southeast part of the ancient continent Laurentia (current location: North American plate). The separation of the Precordillera (also named Cuyania) started around the early Cambrian. The mass collided with Gondwana (the ancient supercontinent in the southern hemisphere) around Late Ordovician period. Different models and thinking of rift-drift process and the time of occurrence have been proposed. This page focuses on the evidence of drifting found in the stratigraphical record of the Precordillera, as well as exhibiting models of how the Precordillera drifted to Gondwana. 


Answer:
a