Question: What is the character role of Clark Gregg as a cast member of Thor (that has Idris Elba as an actor)?
Choices: Optimus Prime
Théoden
Edward I of England
Patricia Whitmore
The Joker
John Hancock
Phil Coulson
Terence McDonagh
Alan Garner
Yosemite Sam
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Thor" . ?e_1 <cast_member> ?e_3 . ?e_3 <pred:name> "Idris Elba" . ?e_2 <pred:name> "Clark Gregg" . ?e_1 <cast_member> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <cast_member> ; <pred:fact_t> ?e_2 ] <character_role> ?qpv .  }
Program:
function: Find
inputs: Idris Elba
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: Thor
function: And
dependencies: 1
2
function: Find
inputs: Clark Gregg
function: QueryRelationQualifier
dependencies: 3
4
inputs: cast member
character role
Answer: Phil Coulson