Question: Of unitary states involved in the Korean War, which is biggest in terms of area?
Choices: Luxembourg
Fiji
Tajikistan
Greece
Bulgaria
Kazakhstan
Sweden
Finland
Cuba
Lithuania
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "unitary state" . ?e_1 <participant> ?e . ?e_1 <pred:name> "Korean War" .  ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: Find
inputs: Korean War
function: Relate
dependencies: 0
inputs: participant
forward
function: FilterConcept
dependencies: 1
inputs: unitary state
function: SelectAmong
dependencies: 2
inputs: area
largest
Answer: Greece