Question: Are both Roza Lallemand and Dennis Gray from the same country?
Sentence (from "Dennis Gray"): He has climbed with some of the best British climbers of the day; Tom Patey, Don Whillans, Joe Brown, Harold Drasdo, Robin Campbell, Eli Moriarty, Nat Allen, Slim Sorrell, Ron Moseley and many more.
Relevant evidence: Yes