Question: Is David Copperfield the title of the visual artwork that has Howie Mandel as a voice actor?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <voice_actor> ?e_1 . ?e_1 <pred:name> "Howie Mandel" .  ?e <title> ?pv . ?pv <pred:value> "David Copperfield" .  }
Program:
function: Find
inputs: Howie Mandel
function: Relate
dependencies: 0
inputs: voice actor
backward
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttr
dependencies: 2
inputs: title
function: VerifyStr
dependencies: 3
inputs: David Copperfield
Answer: yes