Question: Which language is the official one for Vietnam?
Choices: Indonesian
Vietnamese
Czech
German
Romanian
Telugu
Bulgarian
Scots
Swahili
Irish
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "language" . ?e_1 <official_language> ?e . ?e_1 <pred:name> "Vietnam" .   }
Program:
function: Find
inputs: Vietnam
function: Relate
dependencies: 0
inputs: official language
forward
function: FilterConcept
dependencies: 1
inputs: language
function: What
dependencies: 2
Answer: Vietnamese