Definition: 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: Question: Who won the other two first prizes at he 1989 Geneva International Music Competition? Passage:Michele Crider is a graduate of Quincy Senior High School in Quincy, IL. She studied voice at Culver-Stockton College and then at the University of Iowa, where she performed her first opera role in Madama Butterfly and came to the attention of University of Iowa alumnus Simon Estes. She won the District Metropolitan Opera Auditions twice. Afterwards she left Iowa and went to Zurich where she continued her studies at the studio of the Zurich Opera House. In 1988 she was the finalist of the Luciano Pavarotti competition. In 1989 she won one of the three first prizes at the Geneva International Music Competition. This prize directly led to her engagement as Leonora in Il trovatore in Dortmund and to her participation in the International Grand Prix, which she then won. Crider has recorded Amelia in Un ballo in maschera for Teldec under Carlo Rizzi, Elena and Margherita in Mefistofele under the baton of Riccardo Muti for BMG Classics, Verdi's Requiem under Richard Hickox with the London Symphony Orchestra for Chandos Records and the role of Gerhilde in Die Walküre on Decca under Christoph von Dohnanyi.


b