Question: Who is the main subject of the visual artwork titled Bird?
Choices: John F. Kennedy
William Henry Harrison
George W. Bush
Orson Welles
Ellie Kemper
Charlie Parker
Harry Andrews
Rishi Kapoor
Hannah Arendt
Max Fleischer
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <main_subject> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "visual artwork" . ?e_1 <title> ?pv . ?pv <pred:value> "Bird" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: title
Bird
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: Relate
dependencies: 2
inputs: main subject
forward
function: FilterConcept
dependencies: 3
inputs: human
function: What
dependencies: 4
Answer: Charlie Parker