Detailed Instructions: 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.
Problem:Question: Of the teams that Edson Aubert played for which has won the most championships? Passage:Aubert made his league debut in the Torneo Descentralizado in the 2005 season playing for his local club Atletico Universidad, at the age of 16. However, his club was relegated at the end of the season. In 2006, he joined Club IDUNSA (Instituto del Deporte Universitario de la Universidad Nacional de San Agustin), which was also based in Arequipa. There he played in the 2006 Copa Peru season. In the 2007 Copa Peru season his club managed to reach the semifinal stage but were then eliminated by Sport Aguila. Then in 2008 he joined Puno based club Diablos Rojos de Juliaca. There he played in the 2008 Copa Peru season and helped his club reach the Round of 16. There his club met his former side Club IDUNSA and lost 21 on aggregate.

Solution:
a