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.
Q: Question: Which of the three films that the "Ren-a-yank" duo worked on had the highest box office? Passage:Bishop continued to act on film, TV and radio, usually in British and other European productions, and was a frequent guest at science fiction conventions. Bishop and fellow Anderson actor Shane Rimmer (a Canadian actor who often worked in the UK) often joked about how often their professional paths crossed and termed themselves "Rent-a-yank". They appeared together as NASA operatives in the opening of You Only Live Twice and as United States Navy sailors in The Bedford Incident, as well as the 1983 film of the Harold Robbins novel The Lonely Lady. In 1989, Bishop was reunited with Rimmer and another Anderson actor, Matt Zimmerman, in the BBC Radio 4 adaptation of Sir Arthur Conan Doyle's A Study In Scarlet. Bishop and Rimmer also toured together in theatre shows including Death of a Salesman in the 1990s and also appeared in the BBC drama-documentary Hiroshima (2005), one of Bishop's last TV projects.

A:
a