Question: What does Alastair Reynolds (whose position is midfielder) have to do with midfielder?
Choices: chief executive officer
movement
position played on team / speciality
professorship
director of photography
main food source
home port
subsidiary
has part
software engine
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Alastair Reynolds" . ?e_1 <position_played_on_team_/_speciality> ?e_3 . ?e_3 <pred:name> "midfielder" . ?e_2 <pred:name> "midfielder" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: midfielder
function: Relate
dependencies: 0
inputs: position played on team / speciality
backward
function: Find
inputs: Alastair Reynolds
function: And
dependencies: 1
2
function: Find
inputs: midfielder
function: QueryRelation
dependencies: 3
4
Answer: position played on team / speciality