Given the task definition and input, reply with output. 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.

Question: How many staff members worked at the William Morris Agency when Parrish landed her role in Heroes? Passage:In 2000, Parrish was featured in Disney's live-action television film based on the Pinocchio story, Geppetto, portraying the role of Natalie. She then went on to appear as Vanessa in The WB's short-lived sitcom The O'Keefes. Parrish also appeared in shows and made-for-television films on the Disney Channel, and also guest starred in Fox's sitcom The Bernie Mac Show, Nickelodeon's children's comedy-drama series Zoey 101, and Fox's teen drama series The O.C.. Parrish then portrayed Bratz member Jade in the 2007 live-action film Bratz. The role was her first in a motion picture, as well as her first starring role. In May 2007, shortly before the release of Bratz, she was signed to the William Morris Agency. She then landed a recurring role in the NBC supernatural drama series Heroes.
a