You will be given a definition of a task first, then some input of the task.
In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it. Your job is to determine which sentence(s) from the passage can be used to search for further information needed to answer the question.

Question: Was Roger Gracie's maternal grandfather still alive when he was born? Passage:Roger Gracie Gomes (born September 26, 1981) is a Brazilian Jiu-Jitsu practitioner (10x world champion) and a retired mixed martial artist. A member of the Gracie family, he is the son of Reila Gracie (daughter of Carlos Gracie) and Mauricio Motta Gomes. Roger was awarded his black belt by his cousin Renzo Gracie at the behest of Carlos Gracie, Jr. whilst training in New York in 2003. He is currently a fourth degree black belt. Roger Gracie is the founder and head instructor at The Roger Gracie Academy located in Kensington, London, England. Notable Black belt promotions include Raymond Stevens, Nicolas Gregoriades and Kywan Gracie Behring. Roger is an active mixed martial arts competitor, and is the former ONE World Cruiserweight (now Light Heavyweight) Champion.

Output:
Roger Gracie Gomes (born September 26, 1981) is a Brazilian Jiu-Jitsu practitioner (10x world champion) and a retired mixed martial artist