what is the hull of the lynx made of?
Entity
m.083vt
Wood
class entity
boats.hull_material m.0dhfhr
boats.hull_material boats.ship
Hull material Lynx
none none
boats.ship.hull_material
Hull material
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 :boats.hull_material . 
VALUES ?x1 { :m.0dhfhr } 
?x1 :boats.ship.hull_material ?x0 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND boats.hull_material (JOIN (R boats.ship.hull_material) m.0dhfhr))