Question: What activity's publisher is the activity that is the subsidiary organization of Warner Bros.?
Choices: Harry Potter and the Half-Blood Prince
The Chronicles of Narnia: The Lion, the Witch and the Wardrobe
The League of Extraordinary Gentlemen
printmaking
music video game
Guitar Hero 5
Watchmen
Battleship
Superman
Cars 2
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "activity" . ?e <publisher> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "activity" . ?e_1 <parent_organization> ?e_2 . ?e_2 <pred:name> "Warner Bros." .   }
Program:
function: Find
inputs: Warner Bros.
function: Relate
dependencies: 0
inputs: parent organization
backward
function: FilterConcept
dependencies: 1
inputs: activity
function: Relate
dependencies: 2
inputs: publisher
backward
function: FilterConcept
dependencies: 3
inputs: activity
function: What
dependencies: 4
Answer: Superman