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: Is the person who played Alastair in the movie "Rush" still alive? Passage:In 1979 he moved to the Brabham team where he worked with the Brazilian driver Nelson Piquet and in 1981 moved to the German ATS team. Having decided not to set up his own team he then left motor racing to set up a self storage business. He has also competed in classic car rallies in cars including the Porsche 912 and won the Liège-Brescia-Liège rally for cars up to 700cc in a BMW 700. He was a technical advisor on the 2013 film Rush about the rivalry between the drivers James Hunt and Niki Lauda during the 1976 Formula One motor-racing season. In the film he was portrayed by Stephen Mangan and he also had a cameo role on screen as a race official.


b