unreal engine 2 contains what video game engines?
Entity Entity Entity Entity
m.04sh_kc m.04sh_k5 m.0b6h280 m.04sh_j_
Unreal Engine 2 Unreal Engine 1 Unreal Engine 3 Unreal Engine 4
class entity
cvg.computer_game_engine m.025wnp
cvg.computer_game_engine cvg.computer_game_engine_family
Video Game Engine unreal engine 2
none none
cvg.computer_game_engine.engine_family
Engine Family
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :cvg.computer_game_engine . 
VALUES ?x1 { :m.025wnp } 
?x0 :cvg.computer_game_engine.engine_family ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND cvg.computer_game_engine (JOIN cvg.computer_game_engine.engine_family m.025wnp))