Question: Which guitar is famously associated with both Daniel Lanois and Jimmy Page?
Choices: Pompano Beach
acoustic guitar
electric guitar
blues
baritone guitar
twelve-string guitar
slide
pedal steel guitar
classical guitar
JoBeth Williams
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "guitar" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Daniel Lanois" .  ?e <famous_people> ?e_2 . ?e_2 <pred:name> "Jimmy Page" .  }
Program:
function: Find
inputs: Daniel Lanois
function: Relate
dependencies: 0
inputs: famous people
backward
function: FilterConcept
dependencies: 1
inputs: guitar
function: Find
inputs: Jimmy Page
function: Relate
dependencies: 3
inputs: famous people
backward
function: FilterConcept
dependencies: 4
inputs: guitar
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: pedal steel guitar