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.

Input: Consider Input: Question: How many years had the Northern Ireland Trophy been established when Liang Wenbo reached at least the second round of qualifying in every ranking event? Passage:During the 2006/07 season, Liang reached at least the second round of qualifying in every ranking event. At the Northern Ireland Trophy, he beat Robert Stephen 50 before falling to David Gilbert 05 in qualifying. However, at the Grand Prix, Liang came top of his qualifying group, above more experienced players such as Gerard Greene and Barry Pinches. He finished fourth in his group at the round-robin stage, and although he did not progress to the next round, he did beat former world champion and world number one Stephen Hendry 30. At the UK Championship, he lost in the second round of qualifying to Jamie Burnett 79. In the following ranking event, the Malta Cup, he lost to Joe Jogia 35, again in the second round of qualifying. He qualified for the Welsh Open, his third ranking tournament, by beating Dene O'Kane, Joe Jogia and Mark Davis. He met Nigel Bond again in the last 48, this time losing only 35.

Output: b

Input: Consider Input: Question: Which of the schools that Ari Brynjolfsson attended or worked at has existed the longest? Passage:Ari Brynjolfsson was born in Akureyri, Iceland, one of the seven children of Brynjolfur Sigtryggsson and Gurun Rosinkarsdottir from Horgardalur. He lived in Krossanes, Eyjafjorur and graduated from Menntaskolinn a Akureyri in 1948, then studied nuclear physics at the Niels Bohr Institute, University of Copenhagen, Denmark, from 1948 to 1954, gaining his PhD, with a thesis which dealt with a device he had constructed for accurately measuring magnetism in rocks. Following this he became a special research fellow of the University of Iceland from 1954 to 1955, then an Alexander von Humboldt fellow of the University of Gottingen, Germany, from 1955 to 1957. While at Gottingen he contributed important work in magnetic moments, using a self-devised instrument with which he and others provided the strongest evidence to that date for magnetic field reversals.

Output: a

Input: Consider Input: Question: What city is home to the team that was created for the 2000-01 season? Passage:The 200001 season saw the folding of the Summerland Warriors and the creation of the Creston Valley Thunder Cats. In 200102, the league was split from two to three divisions, the Neil Murdoch, Eddie Mountain, and Okanagan/Shushwap. Along with the division re-alignment, the North Okanagan Kings relocated to Enderby, becoming the Enderby Ice Kings. The Osoyoos Heat took on the name the Osoyoos Storm, and an expansion franchise was granted to Summerland, which took the name Summerland Sting. 200102 also saw the presence of the KIJHL's most accomplished alumnus, Shea Weber, who played for the league champions Sicamous Eagles for this single season. In 200203, the Princeton Posse joined the league, becoming the furthest west team in the KIJHL, and the Enderby Ice Kings folded after one season. In 200405, the Fernie Ghostriders joined the league from the North American Hockey League, and the following year the Golden Rockets were renamed the Golden Xtreme. They were renamed again the following year, this time becoming the Golden Jets. Also, 200607 saw the demise of the Osoyoos Storm, who moved to Kamloops Storm, while retaining the Storm name. In 200708, the league was divided into two conferences, which were furthermore split into two divisions each, dropping the Okanagan Shushwap, while creating the Eddie Mountain Conference, East and West Divisions, and likewise with the Neil Murdoch Conference. The Golden Xtreme was again renamed, this time reverting to the Rockets name. Furthermore, the Chase Chiefs joined the league in 200708, while the Fernie Ghostriders would capture the league title. There were no team changes in 200809, and the Nelson Leafs would capture the league title. In 200910, however, the Summerland Sting were forced to relocate to nearby Penticton, taking the name Penticton Lakers. Furthermore, an expansion team was granted to Armstrong, and the North Okanagan Knights were founded.
Output: b