Question: What is the connection between Christopher Columbus (whose color is black-and-white) and silent film?
Choices: worshipped by
interested in
replaced by
record label
mouth of the watercourse
professorship
official residence
capital of
genre
godparent
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Christopher Columbus" . ?e_1 <color> ?e_3 . ?e_3 <pred:name> "black-and-white" . ?e_2 <pred:name> "silent film" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: black-and-white
function: Relate
dependencies: 0
inputs: color
backward
function: Find
inputs: Christopher Columbus
function: And
dependencies: 1
2
function: Find
inputs: silent film
function: QueryRelation
dependencies: 3
4
Answer: genre