Question: Which war featured Vladimir Lenin as a participant?
Choices:
Spanish Civil War
War of the Spanish Succession
Yom Kippur War
2011 Libyan Civil War
American Civil War
War in North-West Pakistan
War on Terror
Chinese Civil War
Russian Civil War
First War of Scottish Independence
Answer: Russian Civil War
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "war" . ?e <participant> ?e_1 . ?e_1 <pred:name> "Vladimir Lenin" .   }
Program:
function: Find
inputs: Vladimir Lenin
function: Relate
dependencies: 0
inputs: participant
backward
function: FilterConcept
dependencies: 1
inputs: war
function: What
dependencies: 2