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.

Example Input: Question: What was the population of Acre the year that Darmagnac was promoted to general of brigade? Passage:Jean Barthelemy Claude Toussaint Darmagnac (1 November 1766 12 December 1855) became a French division commander during the Napoleonic Wars. In 1791 he joined a volunteer battalion and soon became a captain. He fought with the 32nd Line Infantry Demi-Brigade against the Austrians in Italy. He participated in the French campaign in Egypt and Syria, being promoted to lead the regiment after distinguishing himself at the Battle of the Pyramids. He was badly wounded at Acre and promoted to general of brigade in 1801. Darmagnac fought at Austerlitz in 1805 and led the Paris guard in 18061807. Going to Spain, he was wounded at Medina de Rioseco and became a general of division in 1808. After serving as provincial governor, he assumed command of a combat division at Vitoria, the Pyrenees, the Bidassoa, the Nivelle, the Nive, Orthez, and Toulouse. After holding interior commands under the Bourbon Restoration he retired in 1831. His surname is one of the names inscribed under the Arc de Triomphe, on Column 36.

Example Output: b

Example Input: Question: What were the combined ages of Joseph Urban and Benjamin Wistar Morris the year that they were both hired to come up with blueprints for the house? Passage:The construction of Rockefeller Center occurred between 1932 and 1940 on land that John D. Rockefeller Jr. leased from Columbia University. The Rockefeller Center site was originally supposed to be occupied by a new opera house for the Metropolitan Opera. By 1928, Benjamin Wistar Morris and designer Joseph Urban were hired to come up with blueprints for the house. However, the new building was too expensive for the opera to fund by itself, and it needed an endowment, and the project ultimately gained the support of John D. Rockefeller Jr. The planned opera house was canceled in December 1929 due to various issues, with the new opera house eventually being built at Lincoln Center, opening in 1966.

Example Output: a

Example Input: Question: In what city is the university where Beloff traveled to in 1946 to perform research? Passage:Anne Beloff was born in 1921 in Hampstead to Simon Beloff and Marie Katzin. Her parents were of RussianJewish background, and her siblings included the historian Max Beloff, Baron Beloff, the psychologist John Beloff, the journalist Nora Beloff, and the politician Renee Soskin. She earned a degree in chemistry from University College London in 1942 before completing a PhD in the biochemistry of skin burns with Rudolph Peters at the University of Oxford. She visited Harvard Medical School in 1946 to perform research and returned to the UK in 1948. In the same year she married Ernst Boris Chain, a biochemist who had won the Nobel Prize in Physiology or Medicine in 1945, and moved with him to Rome.

Example Output:
b