Question: Which industry is the main subject of Iron Man (whose release region is Russia)?
Choices: Orange
Battle of Britain
Boxer Rebellion
Western Desert Campaign
arms industry
Today
technology
terrorism
Android
Good Morning America
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "industry" . ?e_1 <main_subject> ?e . ?e_1 <pred:name> "Iron Man" . ?e_1 <film_release_region> ?e_2 . ?e_2 <pred:name> "Russia" .   }
Program:
function: Find
inputs: Russia
function: Relate
dependencies: 0
inputs: film release region
backward
function: Find
inputs: Iron Man
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: main subject
forward
function: FilterConcept
dependencies: 4
inputs: industry
function: What
dependencies: 5
Answer: arms industry