Question: The Sukhoi/HAL Fifth Generation Fighter Aircraft is a derivative of another Russian plane thats international name is what?
Sentence (from "Sukhoi Su-57"): The Sukhoi Su-57 (Russian: Сухой Су-57 ) is the designation intended for a stealth, single-seat, twin-engine jet multirole fighter aircraft designed for air superiority and attack operations.
Relevant evidence: No