Question: Is The Hunchback of Notre Dame the title of the silent film that is penned by Victor Hugo?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "silent film" . ?e <after_a_work_by> ?e_1 . ?e_1 <pred:name> "Victor Hugo" .  ?e <title> ?pv . ?pv <pred:value> "The Hunchback of Notre Dame" .  }
Program:
function: Find
inputs: Victor Hugo
function: Relate
dependencies: 0
inputs: after a work by
backward
function: FilterConcept
dependencies: 1
inputs: silent film
function: QueryAttr
dependencies: 2
inputs: title
function: VerifyStr
dependencies: 3
inputs: The Hunchback of Notre Dame
Answer: yes