Question: What is the relationship between Superman Returns (the one whose game mode is single-player video game) and DVD?
Choices: has quality
exclave of
practiced by
publisher
lyrics by
political ideology
distribution
parent astronomical body
depicts
separated from
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Superman Returns" . ?e_1 <game_mode> ?e_3 . ?e_3 <pred:name> "single-player video game" . ?e_2 <pred:name> "DVD" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: single-player video game
function: Relate
dependencies: 0
inputs: game mode
backward
function: Find
inputs: Superman Returns
function: And
dependencies: 1
2
function: Find
inputs: DVD
function: QueryRelation
dependencies: 3
4
Answer: distribution