what martial art involving grappling is in the same category as tai-chi?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
m.01tm7f m.03bs3p m.041d65 m.01vqp5 m.09h901 m.0hbj9 m.055rn5 m.01qcyb m.02618d8 m.048yh m.05b65c m.061px m.06jm_r m.06k44z
Kajukenbo Sanshou Vovinam Systema Shidōkan Karate Hapkido Kuk Sool Won Kalaripayattu Russian All-Round Fighting Krav Maga Hwa Rang Do Pankration Bartitsu Modern Arnis
class class entity entity
martial_arts.martial_art martial_arts.martial_art_category m.07k4r m.039cp
martial_arts.martial_art martial_arts.martial_art_category martial_arts.martial_art martial_arts.martial_art_category
Martial Art Martial Art Category tai-chi Grappling
none none none none
martial_arts.martial_art.category martial_arts.martial_art.category martial_arts.martial_art_category.martial_arts
Category Category 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 . 
?x1 :type.object.type :martial_arts.martial_art_category . 
VALUES ?x2 { :m.07k4r } 
VALUES ?x3 { :m.039cp } 
?x0 :martial_arts.martial_art.category ?x1 . 
?x2 :martial_arts.martial_art.category ?x1 . 
?x3 :martial_arts.martial_art_category.martial_arts ?x0 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x0 != ?x3 && ?x1 != ?x2 && ?x1 != ?x3 && ?x2 != ?x3  )
}
}
(AND martial_arts.martial_art (AND (JOIN martial_arts.martial_art.category (JOIN (R martial_arts.martial_art.category) m.07k4r)) (JOIN (R martial_arts.martial_art_category.martial_arts) m.039cp)))