Question: Which class of instruments is associated with country music star Charlie Daniels?
Choices: gong
fiddle
country rock
celesta
autoharp
rock music
Outlaw country
Southern rock
djembe
bell
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "class of instruments" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Charlie Daniels" . ?e_2 <famous_people> ?e_1 . ?e_2 <pred:name> "country music" .   }
Program:
function: Find
inputs: country music
function: Relate
dependencies: 0
inputs: famous people
forward
function: Find
inputs: Charlie Daniels
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: famous people
backward
function: FilterConcept
dependencies: 4
inputs: class of instruments
function: What
dependencies: 5
Answer: fiddle