Question: What is the relationship between record producer Steve Earle and the guitar?
Choices:
geography of topic
interested in
different from
mouth of the watercourse
enclave within
contains administrative territorial entity
operating area
instrument
feast day
librettist
Answer: instrument
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Steve Earle" . ?e_1 <occupation> ?e_3 . ?e_3 <pred:name> "record producer" . ?e_2 <pred:name> "guitar" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: record producer
function: Relate
dependencies: 0
inputs: occupation
backward
function: Find
inputs: Steve Earle
function: And
dependencies: 1
2
function: Find
inputs: guitar
function: QueryRelation
dependencies: 3
4