Question: What abjad uses Persian?
Choices: Arabic alphabet
Bolero
Kitchener
Middlesbrough F.C.
Dashiell Hammett
interview
Japanese mythology
Graham Greene
Battlestar Galactica
Tijuana
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "abjad" . ?e <language_of_work_or_name> ?e_1 . ?e_1 <pred:name> "Persian" .   }
Program:
function: Find
inputs: Persian
function: Relate
dependencies: 0
inputs: language of work or name
backward
function: FilterConcept
dependencies: 1
inputs: abjad
function: What
dependencies: 2
Answer: Arabic alphabet