Question: Which war has the participant South Korea and is the representative of Buzz Aldrin?
Choices:
Coalition Wars
Yom Kippur War
Second Boer War
Second Sino-Japanese War
Russian Civil War
Vietnam War
Korean War
First Crusade
French invasion of Russia
Crusade
Answer: Korean War
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "war" . ?e <participant> ?e_1 . ?e_1 <pred:name> "South Korea" .  ?e_2 <conflict> ?e . ?e_2 <pred:name> "Buzz Aldrin" .  }
Program:
function: Find
inputs: South Korea
function: Relate
dependencies: 0
inputs: participant
backward
function: FilterConcept
dependencies: 1
inputs: war
function: Find
inputs: Buzz Aldrin
function: Relate
dependencies: 3
inputs: conflict
forward
function: FilterConcept
dependencies: 4
inputs: war
function: And
dependencies: 2
5
function: What
dependencies: 6