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 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: How many teams did the manager of Shrewsbury Town in 1961 manage? Passage:Originally a winger, Baker joined Plymouth Argyle as a teenager in the early 1950s. He made his first team debut in October 1954, but appeared sporadically over the next three years, as he developed his game playing for the club's reserve team in the Plymouth & District, Devon Wednesday, and Football Combination Leagues. He became a first team regular in 1958, and played an important part in the club's Third Division title campaign a year later. After that success, Baker sustained a knee injury which eventually brought his career at Home Park to an end. He scored 17 goals in all competitions for the club and made 83 appearances. He joined Shrewsbury Town in 1961, who were under the management of Arthur Rowley. He played in the match where Rowley broke Dixie Dean's record for most goals scored in the Football League. After 5 goals in 52 appearances, Baker returned to South Wales in 1962 to play for Barry Town, where he finished his career playing in the Southern League.

Example Output: b

Example Input: Question: Who was involved in Operation Enduring Freedom? Passage:In the 1970s and early 1980s the battalion furnished Combat Engineer Support to the Battalion Landing Teams (BLT) in the Mediterranean, the Caribbean, 29 Palms, Norway, and Guantanamo Bay, Cuba. From August 1982 to February 1984 Marines from 2nd Combat Engineer Battalion were part of the multinational peacekeeping force in Beirut, Lebanon. Late in October 1983, Combat Engineers landed and occupied the island of Grenada with the 22nd Marine Amphibious Unit. The battalion continued to provide Combat Engineer Platoons to the BLT's of the 22nd and 26th Marine Expeditionary Units and support elements of the division throughout the world. During April 1990, elements of the Battalion supported division units attached to Marine Forces Panama and participated in Operation Just Cause. In August 1990, Company D, while deployed aboard the off the coast of West Africa participated in Operation Sharp Edge assisting in the evacuation of civilians from Liberia. During Operation Desert Storm the Battalion deployed in support of the 4th MEB and the 2nd Marine Division leading the division through the myriad of obstacle belts into Kuwait. Recently engineers have participated in military operations in Bosnia, Haiti, and Cuba, and most recently, participating in Operation Enduring Freedom and Operation Iraqi Freedom.

Example Output:
b