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: How old was the person who named Bertello Archbishop of Urbs Salvia when he died? Passage:On 17 October 1987, Pope John Paul II named him Titular Archbishop of Urbs Salvia and appointed him Apostolic Nuncio to Ghana, Togo and Benin. He was consecrated on 28 November by Cardinal Agostino Casaroli, with Bishops Albino Mensa and Luigi Bettazzi as the principal co-consecrators. On 12 January 1990, he was transferred to Rwanda, where he supported human rights organizations and encouraged Catholic bishops to unite as forceful advocates for ending civil war. He remained at his post and traveled into dangerous regions to bear witness to the Tutsi Genocide in 1994. In March 1995, John Paul II appointed him Permanent Observer of the Holy See to the United Nations in Geneva from 1997, with the same role at the World Trade Organization. Upon his appointment Bertello negotiated the status of the Holy See as permanent observer in the World Trade Organization, becoming its first representative that year.


b