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: What was the age difference between Marie-Félix Blanc's parents? Passage:Marie-Félix Blanc was born on 22 December 1859 in Paris to French businessman François Blanc and his second wife, Marie Charlotte Hensel. Her father was the founder of the Société des bains de mer de Monaco and operated multiple casinos, including the Casino de Monte-Carlo in Monaco and the Bad Homburg vor der Höhe Casino in Germany. Her godfather, Count Antoine Bertora, was rumored to be her biological father. She had an older sister, Louise; an older brother, Edmond; and two older half-brothers from her father's first marriage to Madeleine-Victoire Huguelin, Camille and Charles. Her older sister later married Prince Constantine Wincenty Maria Radziwiłł. Her older brother later served as the mayor of La Celle-Saint-Cloud and her older half brother, Camille, served as mayor of Beausoleil. When she was 18 years old, Blanc's father died, leaving her a vast inheritance.


a