Question: What civil war represents Leon Trotsky?
Choices: American Civil War
Russian Civil War
Chinese Civil War
French invasion of Russia
Crusade
Yom Kippur War
2011 Libyan Civil War
Spanish Civil War
Lebanese Civil War
Coalition Wars
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "civil war" . ?e_1 <conflict> ?e . ?e_1 <pred:name> "Leon Trotsky" .   }
Program:
function: Find
inputs: Leon Trotsky
function: Relate
dependencies: 0
inputs: conflict
forward
function: FilterConcept
dependencies: 1
inputs: civil war
function: What
dependencies: 2
Answer: Russian Civil War