Question: Which person is a citizen of Vietnam?
Choices: Sylvester Stallone
Truman Capote
Richard Gere
Max Fleischer
Tsui Hark
Hugo Friedhofer
William Henry Harrison
Dev Patel
Tony Goldwyn
George Lucas
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <country_of_citizenship> ?e_1 . ?e_1 <pred:name> "Vietnam" .   }
Program:
function: Find
inputs: Vietnam
function: Relate
dependencies: 0
inputs: country of citizenship
backward
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Tsui Hark