Question: What is the connection between Art Carney (the one that is related to sport American football) to lineman?
Choices: has quality
has contributing factor
symptoms
territory overlaps
officeholder
position played on team / speciality
set in period
member of sports team
ethnic group
place of death
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Art Carney" . ?e_1 <sport> ?e_3 . ?e_3 <pred:name> "American football" . ?e_2 <pred:name> "lineman" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: American football
function: Relate
dependencies: 0
inputs: sport
backward
function: Find
inputs: Art Carney
function: And
dependencies: 1
2
function: Find
inputs: lineman
function: QueryRelation
dependencies: 3
4
Answer: position played on team / speciality