Question: The aircraft that uses Runway Overrun Prevention System technology is the first to have both a fuselage and wing structure made primarily of what material?
Sentence (from "Runway Overrun Prevention System"): ROPS (Runway Overrun Prevention System) is a technology used in the Airbus A350 XWB aircraft, which is designed to prevent the overshooting of the runway as the plane is landing.
Relevant evidence: Yes