Question: Which association football club is related to sport American football?
Choices: defensive back
1. FC Kaiserslautern
Kevin Smith
Indianapolis Colts
Northampton Town F.C.
Leeds United F.C.
Fluminense F.C.
Alemannia Aachen
Burt Reynolds
Inverness Caledonian Thistle F.C.
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <sport> ?e_1 . ?e_1 <pred:name> "American football" .   }
Program:
function: Find
inputs: American football
function: Relate
dependencies: 0
inputs: sport
backward
function: FilterConcept
dependencies: 1
inputs: association football club
function: What
dependencies: 2
Answer: Fluminense F.C.