Question: What is the IETF language tag for the native language of Henrik Ibsen?
Choices:
sr
he
no
ru
sv
fa
la
pl
sw
en-US
Answer: no
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "language" . ?e_1 <native_language> ?e . ?e_1 <pred:name> "Henrik Ibsen" .  ?e <IETF_language_tag> ?pv .  }
Program:
function: Find
inputs: Henrik Ibsen
function: Relate
dependencies: 0
inputs: native language
forward
function: FilterConcept
dependencies: 1
inputs: language
function: QueryAttr
dependencies: 2
inputs: IETF language tag