what unit of length is associated with a measurement system whose mass units include short ton?
Entity Entity Entity Entity Entity Entity Entity
m.04vb3 m.01crvy m.03th6 m.02mr9z m.0355rq m.05gwxt m.087tz
Mile Foot Inch Rod Chain Link Yard
class class entity
measurement_unit.distance_unit measurement_unit.measurement_system m.02md_f
measurement_unit.distance_unit measurement_unit.measurement_system measurement_unit.mass_unit
Unit of Length Measurement System Short ton
none none none
measurement_unit.distance_unit.measurement_system measurement_unit.measurement_system.weight_units
Measurement System Mass Units
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 :measurement_unit.distance_unit . 
?x1 :type.object.type :measurement_unit.measurement_system . 
VALUES ?x2 { :m.02md_f } 
?x0 :measurement_unit.distance_unit.measurement_system ?x1 . 
?x1 :measurement_unit.measurement_system.weight_units ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND measurement_unit.distance_unit (JOIN measurement_unit.distance_unit.measurement_system (JOIN measurement_unit.measurement_system.weight_units m.02md_f)))