what kind unit of length is associated with a measurement system whose mass units include atomic mass unit?
Entity
m.0n0_
Astronomical unit
class class entity
measurement_unit.distance_unit measurement_unit.measurement_system m.0bn2l
measurement_unit.distance_unit measurement_unit.measurement_system measurement_unit.mass_unit
Unit of Length Measurement System Atomic mass unit
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.0bn2l } 
?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.0bn2l)))