Question: What is the television series' production company is the activity that is the subsidiary of Warner Bros.?
Choices: Star Trek: Enterprise
Rush Hour
Superman/Batman: Public Enemies
Seinfeld
The Dark Knight
Beauty and the Beast
Constantine
The Losers
Another World
Tiny Toon Adventures
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <production_company> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "activity" . ?e_2 <subsidiary> ?e_1 . ?e_2 <pred:name> "Warner Bros." .   }
Program:
function: Find
inputs: Warner Bros.
function: Relate
dependencies: 0
inputs: subsidiary
forward
function: FilterConcept
dependencies: 1
inputs: activity
function: Relate
dependencies: 2
inputs: production company
backward
function: FilterConcept
dependencies: 3
inputs: television series
function: What
dependencies: 4
Answer: Constantine