Question: What organization has a headquarters location of North Carolina?
Choices:
Royal Australian Air Force
Pfizer
Vivendi
McDonald's
Bank of America
Swan Hunter
General Dynamics Electric Boat
BBC
MCA Inc.
Sega
Answer: Bank of America
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "organization" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "North Carolina" .   }
Program:
function: Find
inputs: North Carolina
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: FilterConcept
dependencies: 1
inputs: organization
function: What
dependencies: 2