Question: I want to know the war that is part of the war that the Byzantine Empire participated in.
Choices: Crimean War
Crusade
French and Indian War
French invasion of Russia
First Indochina War
War on Terror
Yom Kippur War
German-Soviet War
First Crusade
Second Boer War
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "war" . ?e <part_of> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "war" . ?e_2 <participant_of> ?e_1 . ?e_2 <pred:name> "Byzantine Empire" .   }
Program:
function: Find
inputs: Byzantine Empire
function: Relate
dependencies: 0
inputs: participant of
forward
function: FilterConcept
dependencies: 1
inputs: war
function: Relate
dependencies: 2
inputs: part of
backward
function: FilterConcept
dependencies: 3
inputs: war
function: What
dependencies: 4
Answer: Crimean War