Question: What video game developer is owner by an organization that owns  Nintendo Entertainment Analysis & Development ?
Choices:
HAL Laboratory
Blizzard Entertainment
Nintendo Entertainment Analysis & Development
Origin Systems
Gameloft
Aspyr
U.S. Gold
Atari
Eidos Interactive
Maxis
Answer: HAL Laboratory
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "video game developer" . ?e <owned_by> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "organization" . ?e_1 <owner_of> ?e_2 . ?e_2 <pred:name> "Nintendo Entertainment Analysis & Development" .   }
Program:
function: Find
inputs: Nintendo Entertainment Analysis & Development
function: Relate
dependencies: 0
inputs: owner of
backward
function: FilterConcept
dependencies: 1
inputs: organization
function: Relate
dependencies: 2
inputs: owned by
backward
function: FilterConcept
dependencies: 3
inputs: video game developer
function: What
dependencies: 4