Question: What does the mellotron have to do with pianist Richard Wright?
Choices: contributing factor of
located on terrain feature
sex or gender
military conflicts
official language
relative
candidate
executive producer
famous people
manufacturer
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "mellotron" . ?e_2 <pred:name> "Richard Wright" . ?e_2 <instrument> ?e_3 . ?e_3 <pred:name> "piano" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: mellotron
function: Find
inputs: piano
function: Relate
dependencies: 1
inputs: instrument
backward
function: Find
inputs: Richard Wright
function: And
dependencies: 2
3
function: QueryRelation
dependencies: 0
4
Answer: famous people