Question: Which Russian Empire-based army participated in WWI?
Choices: Confederate States Army
Australian Army
German Army
Indian Army
Imperial Russian Army
British Army
French Army
Imperial Japanese Army
bandleader
Canadian Army
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "army" . ?e <location> ?e_1 . ?e_1 <pred:name> "Russian Empire" .  ?e <conflict> ?e_2 . ?e_2 <pred:name> "World War I" .  }
Program:
function: Find
inputs: Russian Empire
function: Relate
dependencies: 0
inputs: location
backward
function: FilterConcept
dependencies: 1
inputs: army
function: Find
inputs: World War I
function: Relate
dependencies: 3
inputs: conflict
backward
function: FilterConcept
dependencies: 4
inputs: army
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Imperial Russian Army