Question: Which American football position is the position of Chris Carter (the one that is a member of Houston Texans) ?
Choices:
tight end
long snapper
fullback
cornerback
quarterback
wide receiver
halfback
kickoff returner
defensive back
safety
Answer: safety
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "American football position" . ?e_1 <position_played_on_team_/_speciality> ?e . ?e_1 <pred:name> "Chris Carter" . ?e_1 <member_of_sports_team> ?e_2 . ?e_2 <pred:name> "Houston Texans" .   }
Program:
function: Find
inputs: Houston Texans
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Chris Carter
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: position played on team / speciality
forward
function: FilterConcept
dependencies: 4
inputs: American football position
function: What
dependencies: 5