email marketing uses what trade union?
Entity
m.03qb5j1
Office Equipment Merchant Wholesalers
class entity
business.trade_union m.025b6kg
business.trade_union business.industry
Trade union Email marketing
none none
business.trade_union.industry
Industry
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 :business.trade_union . 
VALUES ?x1 { :m.025b6kg } 
?x0 :business.trade_union.industry ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND business.trade_union (JOIN business.trade_union.industry m.025b6kg))