Question: Whose father is Keith Carradine?
Choices: Sylvester Stallone
Preston Sturges
Richard Fleischer
Juliette Lewis
David Newman
Martha Plimpton
William Henry Harrison
John Mahoney
Richard Gere
Clive Davis
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <father> ?e_1 . ?e_1 <pred:name> "Keith Carradine" .   }
Program:
function: Find
inputs: Keith Carradine
function: Relate
dependencies: 0
inputs: father
backward
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Martha Plimpton