what category of martial art does fencing fall under?
Entity
m.03nh838
Weapon
class entity
martial_arts.martial_art_category m.02y8z
martial_arts.martial_art_category martial_arts.martial_art
Martial Art Category Fencing
none none
martial_arts.martial_art_category.martial_arts
Martial arts
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 :martial_arts.martial_art_category . 
VALUES ?x1 { :m.02y8z } 
?x0 :martial_arts.martial_art_category.martial_arts ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND martial_arts.martial_art_category (JOIN martial_arts.martial_art_category.martial_arts m.02y8z))