Question: What is the connection between Mike Mills (the one that plays the instrument guitar) to piano?
Choices:
applies to jurisdiction
diaspora
instrument
military rank
model item
famous people
after a work by
broadcast by
affiliation
religion
Answer: instrument
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Mike Mills" . ?e_1 <instrument> ?e_3 . ?e_3 <pred:name> "guitar" . ?e_2 <pred:name> "piano" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: guitar
function: Relate
dependencies: 0
inputs: instrument
backward
function: Find
inputs: Mike Mills
function: And
dependencies: 1
2
function: Find
inputs: piano
function: QueryRelation
dependencies: 3
4