Question: What industry is located in Belgium?
Choices:
R.S.C. Anderlecht
Battle of Passchendaele
Gallipoli Campaign
Battle of the Sommee
Belgium
Battle of Britain
Mac OS
arms industry
Antwerp
Royal Antwerp F.C
Answer: Battle of Passchendaele
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "industry" . ?e <country> ?e_1 . ?e_1 <pred:name> "Belgium" .   }
Program:
function: Find
inputs: Belgium
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: industry
function: What
dependencies: 2