Question: Tell me the war that is the main subject of Courage Under Fire.
Choices: Chinese Civil War
Seven Years' War
First Crusade
French invasion of Russia
Six-Day War
Crusade
post-traumatic stress disorder
Coalition Wars
Yom Kippur War
Gulf War
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "war" . ?e_1 <main_subject> ?e . ?e_1 <pred:name> "Courage Under Fire" .   }
Program:
function: Find
inputs: Courage Under Fire
function: Relate
dependencies: 0
inputs: main subject
forward
function: FilterConcept
dependencies: 1
inputs: war
function: What
dependencies: 2
Answer: Gulf War