Question: What superhero derives from Iron Man 3?
Choices: Catwoman
Frankenstein
Daredevil
Iron Man
Ghost Rider
Superman
Havok
Hellboy
Michelangelo
Darwin
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "superhero" . ?e <derivative_work> ?e_1 . ?e_1 <pred:name> "Iron Man 3" .   }
Program:
function: Find
inputs: Iron Man 3
function: Relate
dependencies: 0
inputs: derivative work
backward
function: FilterConcept
dependencies: 1
inputs: superhero
function: What
dependencies: 2
Answer: Iron Man