Question: Were Geovanis Cassiani and Mark Roberson of the same nationality?
Sentence (from "Mark Roberson"): He won the silver medal at the 1986 World Junior Championships, finished sixth at the 1990 Commonwealth Games, seventh at the 1994 Commonwealth Games, sixth at the 1998 European Championships, fourth at the 1998 Commonwealth Games and sixth at the 2002 Commonwealth Games.
Relevant evidence: No