Question: Which city of the United States is the twinned administrative body of the big city whose native label is Mainz?
Choices: Lafayette
Madison
Savannah
Seattle
Erfurt
Dijon
Louisville
Watford
Dayton
Waco
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <twinned_administrative_body> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "big city" . ?e_1 <native_label> ?pv . ?pv <pred:value> "Mainz" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: native label
Mainz
function: FilterConcept
dependencies: 1
inputs: big city
function: Relate
dependencies: 2
inputs: twinned administrative body
forward
function: FilterConcept
dependencies: 3
inputs: city of the United States
function: What
dependencies: 4
Answer: Louisville