what martial art uses strike and internal?
Entity
m.07k4r
Tai chi
class entity entity
martial_arts.martial_art m.02rj0b m.02_yl6z
martial_arts.martial_art martial_arts.martial_art_category martial_arts.martial_art_category
Martial Art Strike Internal
none none none
martial_arts.martial_art.category martial_arts.martial_art.category
Category Category
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 . 
VALUES ?x1 { :m.02rj0b } 
VALUES ?x2 { :m.02_yl6z } 
?x0 :martial_arts.martial_art.category ?x1 . 
?x0 :martial_arts.martial_art.category ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND martial_arts.martial_art (AND (JOIN martial_arts.martial_art.category m.02rj0b) (JOIN martial_arts.martial_art.category m.02_yl6z)))