user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: where was the roman empire centered? 
Knowledge Triplets: Edward Gibbon, book.author.works_written, The History of the Decline and Fall of the Roman Empire: Vol. 7
Roman Empire, military.military_combatant.military_conflicts, m.04yyp76
The History of the Decline and Fall of the Roman Empire: Vol. 3, book.book.editions, The History of the Decline and Fall of the Roman Empire: Vol. 3
Roman Empire, location.location.events, First Dacian War
Maximilian, people.person.place_of_birth, Roman Empire
Herwig Wolfram, book.author.works_written, The Roman Empire and Its Germanic Peoples
Battle at the Harzhorn, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yxbg4
Roman Empire, common.topic.image, m.0291myr
RomanEmpire large, common.image.appears_in_topic_gallery, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 7, book.written_work.part_of_series, The History of the Decline and Fall of the Roman Empire
First Dacian War, time.event.locations, Roman Empire
Roman Empire, location.location.events, Second Dacian War
Roman Empire, location.location.people_born_here, g.11b62y00s2
The History of the Decline and Fall of the Roman Empire: Vol. 1, common.topic.article, m.06wdx_3
The History of the Decline and Fall of the Roman Empire: Vol. 4, book.book.genre, Non-fiction
The History of the Decline and Fall of the Roman Empire: Vol. 5, common.topic.notable_for, g.1256r8_4g
Roman Empire, book.book_subject.works, The Age of Constantine the Great
Scythopolis, location.location.containedby, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yyn8f
Roman Empire, military.military_combatant.military_conflicts, m.048zz0x
The History of the Decline and Fall of the Roman Empire: Vol. 5, book.written_work.next_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 6
Roman Empire, military.military_combatant.military_conflicts, m.04yypmf
The History of the Decline and Fall of the Roman Empire: Vol. 2, book.book.editions, The History of the Decline and Fall of the Roman Empire: Vol. 2
The History of the Decline and Fall of the Roman Empire: Vol. 7, book.written_work.subjects, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04ywrm8
Demophilus of Constantinople, people.person.place_of_birth, Roman Empire
Roman Empire, film.film_subject.films, Gladiator
Roman Empire, military.military_combatant.military_conflicts, m.05cbwst
Alexius of Rome, people.deceased_person.place_of_death, Roman Empire
Roman Empire, common.topic.subject_of, Ephesus
The History of the Decline and Fall of the Roman Empire: Vol. 6, book.book.editions, The History of the Decline and Fall of the Roman Empire: Vol. 6
Caesars Palace, base.casinos.casino.theme, Roman Empire
Roman Empire, location.location.geolocation, m.0wmrmtf
The History of the Decline and Fall of the Roman Empire: Vol. 5, book.written_work.part_of_series, The History of the Decline and Fall of the Roman Empire
Edward Gibbon, book.author.works_written, The History of the Decline and Fall of the Roman Empire: Vol. 3
Roman Empire, military.military_combatant.military_conflicts, m.04yv1hl
The History of the Decline and Fall of the Roman Empire: Vol. 1, common.topic.notable_types, Book
Caesars Atlantic City, base.casinos.casino.theme, Roman Empire
Roman Empire, location.location.people_born_here, Ulpian
The History of the Decline and Fall of the Roman Empire: Vol. 6, book.written_work.part_of_series, The History of the Decline and Fall of the Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 5, common.topic.article, m.06wf8ks
The History of the Decline and Fall of the Roman Empire: Vol. 6, book.written_work.subjects, Roman Empire
Roman Empire 117 AD, common.image.size, m.02d35gm
Roman Empire, military.military_combatant.military_commanders, m.05prg1q
The Roman Empire and Its Germanic Peoples, book.written_work.author, Herwig Wolfram
Publius Quinctilius Varus, people.person.place_of_birth, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04z6xxv
Roman Empire, base.schemastaging.context_name.pronunciation, g.125_qw5d4
The History of the Decline and Fall of the Roman Empire: Vol. 3, common.topic.notable_types, Book
Roman Empire, common.topic.article, m.06cm_
Roman Empire, military.military_combatant.military_conflicts, m.04yyp4p
Roman–Parthian Wars, base.culturalevent.event.entity_involved, Parthian Empire
Roman Empire, location.location.events, Battle of Barbalissos
Battle of Sarmisegetusa, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04ytytf
The History of the Decline and Fall of the Roman Empire: Vol. 7, book.book.genre, Non-fiction
Roman Empire, military.military_combatant.military_conflicts, m.04yybcw
Roman Empire, common.topic.notable_for, g.1255jhsl0
The History of the Decline and Fall of the Roman Empire: Vol. 7, book.written_work.subjects, Decline of the Roman Empire
Roman Empire, base.ontologies.ontology_instance.equivalent_instances, m.07nfqr2
Greek Language, fictional_universe.fictional_language.where_spoken, Roman Empire
Roman Empire, military.military_combatant.military_commanders, m.048zt0d
Roman–Parthian Wars, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yy59k
Second Dacian War, time.event.locations, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 1, book.written_work.part_of_series, The History of the Decline and Fall of the Roman Empire
m.07nfqr2, base.ontologies.ontology_instance_mapping.freebase_topic, Roman Empire
Africa Proconsularis, location.administrative_division.country, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04y_8s7
Roman Empire, common.topic.image, RomanEmpire large
The History of the Decline and Fall of the Roman Empire: Vol. 2, common.topic.notable_for, g.1255xlhhc
Roman Empire, location.location.people_born_here, Saint Glyceria
Roman Empire, location.location.people_born_here, Maximilian
The Roman Empire and Its Germanic Peoples, book.written_work.subjects, Germanic peoples
The Roman Empire and Its Germanic Peoples, common.topic.article, m.06n3l2k
Roman–Parthian War of 161–166, base.culturalevent.event.entity_involved, Parthian Empire
Roman–Parthian War of 58–63, base.culturalevent.event.entity_involved, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 4, book.written_work.part_of_series, The History of the Decline and Fall of the Roman Empire
Battle of Verona, base.culturalevent.event.entity_involved, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 4, common.topic.notable_types, Book
The History of the Decline and Fall of the Roman Empire: Vol. 1, book.book.editions, The History of the Decline and Fall of the Roman Empire: Vol. 1
Roman Empire, military.military_combatant.military_commanders, m.048zz14
Roman Empire, military.military_combatant.military_conflicts, m.04z0r85
The History of the Decline and Fall of the Roman Empire: Vol. 2, book.book.genre, Non-fiction
The History of the Decline and Fall of the Roman Empire: Vol. 6, common.topic.article, m.06wfbgp
Roman Empire, military.military_combatant.military_conflicts, m.0fs8d74
Roman Empire, military.military_combatant.military_conflicts, m.04yyhqj
Roman–Parthian War of 58–63, base.culturalevent.event.entity_involved, Parthian Empire
The History of the Decline and Fall of the Roman Empire: Vol. 1, book.written_work.subjects, Roman Empire
Germanic peoples, book.book_subject.works, The Roman Empire and Its Germanic Peoples
The Roman Empire and Its Germanic Peoples, book.book.editions, The Roman Empire and its Germanic peoples
The History of the Decline and Fall of the Roman Empire: Vol. 3, common.topic.article, m.06wf5mz
Battle of Antioch, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yz542
Siege of Jerusalem, base.culturalevent.event.entity_involved, Roman Empire
Roman–Persian Wars, base.culturalevent.event.entity_involved, Sasanian Empire
The History of the Decline and Fall of the Roman Empire: Vol. 1, book.written_work.next_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 2
Roman Empire, military.military_combatant.military_conflicts, m.04yv15g
The History of the Decline and Fall of the Roman Empire: Vol. 2, book.written_work.subjects, Roman Empire
Lucifer of Cagliari, people.person.place_of_birth, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 5, book.written_work.previous_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 4
m.0291myr, common.image.appears_in_topic_gallery, Roman Empire
Roman Empire, location.location.people_born_here, Publius Quinctilius Varus
Roman Empire, base.casinos.casino_theme.casinos_in_this_theme, Caesars Windsor
Edward Gibbon, book.author.series_written_or_contributed_to, The History of the Decline and Fall of the Roman Empire
Roman Empire, royalty.system_of_nobility.titles, m.0gf9wj4
Roman Empire, military.military_combatant.military_conflicts, m.04yyx6k
Battle of Philippopolis, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, location.location.people_born_here, Eunomius of Cyzicus
Battle of the Teutoburg Forest, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, fictional_universe.fictional_setting.languages, Latin Language
Roman Empire, military.military_combatant.military_conflicts, m.04yyhq9
The History of the Decline and Fall of the Roman Empire: Vol. 4, common.topic.notable_for, g.1257j94pb
Roman Empire, military.military_combatant.military_conflicts, m.04y_8r5
Roman Empire, military.military_combatant.military_conflicts, m.04yynwh
Roman Empire, book.book_subject.works, Centurion
Roman Empire, military.military_combatant.military_conflicts, m.04yyp6x
The History of the Decline and Fall of the Roman Empire: Vol. 5, book.written_work.author, Edward Gibbon
Latin Language, fictional_universe.fictional_language.where_spoken, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yynhl
Roman Empire, base.monetarydebase.governments_that_debase.largest_denomination, m.05b9fpl
The Roman Empire and Its Germanic Peoples, book.written_work.subjects, Roman Empire
Centurion, book.written_work.subjects, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.0fs82dk
Marcomannic Wars, base.culturalevent.event.entity_involved, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 6, book.written_work.subjects, Decline of the Roman Empire
Roman Empire, location.country.administrative_divisions, Africa Proconsularis
Roman Empire, location.statistical_region.population, m.0ngxd03
m.0ws8wk6, location.partial_containment_relationship.partially_contains, Roman Empire
Roman Empire, location.location.people_born_here, Alexius of Rome
The History of the Decline and Fall of the Roman Empire: Vol. 2, book.written_work.subjects, Decline of the Roman Empire
Roman Empire, location.location.people_born_here, Eudoxius of Antioch
Caesars Windsor, base.casinos.casino.theme, Roman Empire
Roman Empire, location.country.capital, Constantinople
Roman Empire, military.military_combatant.military_conflicts, m.0fs821s
Great Conspiracy, base.culturalevent.event.entity_involved, Roman Empire
Coelia Concordia, people.person.place_of_birth, Roman Empire
Battle of Placentia, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yv0k1
The History of the Decline and Fall of the Roman Empire: Vol. 6, book.written_work.previous_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 5
Roman Empire, military.military_combatant.military_conflicts, m.04yyp4d
Cilicia, common.topic.image, Roman Empire 125
The History of the Decline and Fall of the Roman Empire: Vol. 1, book.book.genre, Non-fiction
Roman Empire, book.book_subject.works, The History of the Decline and Fall of the Roman Empire: Vol. 7
Roman Empire, common.topic.image, Roman Empire 117 AD
The Roman Empire and Its Germanic Peoples, common.topic.notable_types, Book
Roman Empire, military.military_combatant.military_conflicts, m.04yw_16
The Roman Empire and Its Germanic Peoples, book.translated_work.translations, The Roman Empire and Its Germanic Peoples
Roman Empire, book.book_subject.works, The Eagle in the Sand
Roman Empire, government.governmental_jurisdiction.governing_officials, m.0w_k7yp
Roman Empire, military.military_combatant.military_conflicts, m.04yymzq
Roman Empire, military.military_combatant.military_conflicts, m.04yyn4w
Roman Empire, book.book_subject.works, The History of the Decline and Fall of the Roman Empire: Vol. 5
Ulpian, people.person.place_of_birth, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04y_7j9
Roman–Persian Wars, base.culturalevent.event.entity_involved, Parthian Empire
Syria, common.topic.image, Roman Empire 125
Roman Empire, book.book_subject.works, Memoirs of Hadrian
The History of the Decline and Fall of the Roman Empire: Vol. 5, book.book.genre, Non-fiction
Roman Empire, military.military_combatant.military_conflicts, m.0jmx43y
Roman Empire, location.location.contains, Scythopolis
Roman Empire, location.location.people_born_here, Lucifer of Cagliari
Roman Empire, location.location.people_born_here, g.121p62yj
The History of the Decline and Fall of the Roman Empire: Vol. 2, common.topic.article, m.06wf42n
The History of the Decline and Fall of the Roman Empire: Vol. 2, book.written_work.author, Edward Gibbon
Roman Empire, base.services.costume_styles.costume_shop, Costumes Empire
Roman Empire, military.military_combatant.military_conflicts, m.04z31gb
Battle of Camulodunum, base.culturalevent.event.entity_involved, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 4, common.topic.article, m.06wf6xp
The History of the Decline and Fall of the Roman Empire: Vol. 3, book.written_work.subjects, Roman Empire
Roman Empire, location.location.events, Battle of Edessa
Battle of Lake Benacus, base.culturalevent.event.entity_involved, Roman Empire
The Roman Empire and Its Germanic Peoples, common.topic.notable_for, g.125byq35r
Roman Empire, military.military_combatant.military_commanders, m.048zt46
Roman Empire, military.military_combatant.military_conflicts, m.04z0bs7
Roman Empire, military.military_combatant.military_conflicts, m.04yytvg
The History of the Decline and Fall of the Roman Empire: Vol. 7, book.written_work.author, Edward Gibbon
The History of the Decline and Fall of the Roman Empire: Vol. 6, book.book.genre, Non-fiction
Roman Empire, military.military_combatant.military_commanders, m.0b7hhs4
Roman Empire, location.country.capital, Ravenna
Roman Empire, location.location.partially_contained_by, m.0ws8w7_
Roman Empire, military.military_combatant.military_commanders, m.048zt4f
Roman Empire, military.military_combatant.military_conflicts, m.04z21j3
Roman Empire 117 AD, common.image.appears_in_topic_gallery, Roman Empire
Roman Empire, book.book_subject.works, The History of the Decline and Fall of the Roman Empire: Vol. 3
Roman Empire, military.military_combatant.military_conflicts, m.04yyl91
The History of the Decline and Fall of the Roman Empire: Vol. 3, book.written_work.previous_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 2
Roman Empire, military.military_combatant.military_conflicts, m.04z74kq
Edward Gibbon, book.author.works_written, The History of the Decline and Fall of the Roman Empire: Vol. 4
Roman Empire, location.location.partially_contained_by, m.0ws8w38
Roman Empire, military.military_combatant.military_commanders, m.0wzb909
Roman Empire, military.military_combatant.military_conflicts, m.04y_8_s
Alexius of Rome, people.person.place_of_birth, Roman Empire
Roman Empire, location.country.form_of_government, Autocracy
Roman Empire, military.military_combatant.military_conflicts, m.04yynbg
Edward Gibbon, book.author.works_written, The History of the Decline and Fall of the Roman Empire: Vol. 2
Jewish–Roman wars, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04y_9f9
The History of the Decline and Fall of the Roman Empire: Vol. 6, common.topic.notable_for, g.125bd49gz
Battle of Watling Street, base.culturalevent.event.entity_involved, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 1, book.written_work.subjects, Decline of the Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04z212s
The History of the Decline and Fall of the Roman Empire: Vol. 7, common.topic.article, m.06wffb9
Roman Empire, base.casinos.casino_theme.casinos_in_this_theme, Caesars Palace
Roman Empire, military.military_combatant.military_conflicts, m.07ssb0k
The Robe, film.film.subjects, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 3, book.book.genre, Non-fiction
Roman Empire, military.military_combatant.military_conflicts, m.04yzgh6
Battle of the Lupia River, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_commanders, m.048zs__
The History of the Decline and Fall of the Roman Empire: Vol. 4, book.book.editions, The History of the Decline and Fall of the Roman Empire: Vol. 4
Roman Empire, military.military_combatant.military_conflicts, m.04yx1rk
The History of the Decline and Fall of the Roman Empire: Vol. 4, book.written_work.author, Edward Gibbon
Eudoxius of Antioch, people.person.place_of_birth, Roman Empire
Paul I of Constantinople, people.person.place_of_birth, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 2, book.written_work.next_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 3
Roman Empire, military.military_combatant.military_conflicts, m.04yx36x
Cantabrian Wars, base.culturalevent.event.entity_involved, Roman Empire
Edward Gibbon, book.author.works_written, The History of the Decline and Fall of the Roman Empire: Vol. 6
Roman Empire, military.military_combatant.military_conflicts, m.0fs6xjh
The History of the Decline and Fall of the Roman Empire: Vol. 7, common.topic.notable_for, g.125bpyqpc
The History of the Decline and Fall of the Roman Empire: Vol. 5, book.book.editions, The History of the Decline and Fall of the Roman Empire: Vol. 5
Battle of the Weser River, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.0fs6qvf
Roman Empire, military.military_combatant.military_conflicts, m.04yyhld
Roman Empire, military.military_combatant.military_conflicts, m.048zt8g
The History of the Decline and Fall of the Roman Empire: Vol. 7, common.topic.notable_types, Book
Roman Empire, military.military_combatant.military_conflicts, m.04z74p6
Roman Empire, location.location.partially_contained_by, m.0ws8wk6
Siege of Amida, base.culturalevent.event.entity_involved, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 6, book.written_work.next_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 7
m.0ws8w38, location.partial_containment_relationship.partially_contains, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04y_96k
The History of the Decline and Fall of the Roman Empire: Vol. 3, book.written_work.subjects, Decline of the Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yypd1
The Roman Empire and Its Germanic Peoples, book.book.editions, The Roman Empire and Its Germanic Peoples
The History of the Decline and Fall of the Roman Empire: Vol. 1, common.topic.notable_for, g.1256c6b48
The History of the Decline and Fall of the Roman Empire: Vol. 2, book.written_work.previous_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 1
The History of the Decline and Fall of the Roman Empire: Vol. 4, book.written_work.next_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 5
The History of the Decline and Fall of the Roman Empire: Vol. 4, book.written_work.subjects, Decline of the Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 6, book.written_work.author, Edward Gibbon
Roman Empire, location.country.capital, Rome
The History of the Decline and Fall of the Roman Empire: Vol. 7, book.book.editions, The History of the Decline and Fall of the Roman Empire: Vol. 7
Roman Empire, military.military_combatant.military_conflicts, m.048zt3v
Roman Empire, book.book_subject.works, The History of the Decline and Fall of the Roman Empire: Vol. 1
Roman Empire, military.military_combatant.military_conflicts, m.04yw37r
Eunomius of Cyzicus, people.person.place_of_birth, Roman Empire
Edward Gibbon, book.author.works_written, The History of the Decline and Fall of the Roman Empire: Vol. 5
The History of the Decline and Fall of the Roman Empire: Vol. 4, book.written_work.subjects, Roman Empire
Roman Empire, common.topic.notable_types, Country
The History of the Decline and Fall of the Roman Empire: Vol. 5, book.written_work.subjects, Decline of the Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 5, common.topic.notable_types, Book
Roman Empire, location.country.capital, Rome
Cilicia, location.location.containedby, Roman Empire
Roman Empire, location.location.contains, Cilicia
Battle of Argentovaria, base.culturalevent.event.entity_involved, Roman Empire
The History of the Decline and Fall of the Roman Empire: Vol. 3, common.topic.notable_for, g.125b2_z13
Roman–Persian Wars, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.05prg15
Ephesus, common.topic.subjects, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yvzx5
The History of the Decline and Fall of the Roman Empire: Vol. 4, book.written_work.previous_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 3
Roman Empire, book.book_subject.works, The History of the Decline and Fall of the Roman Empire: Vol. 6
The History of the Decline and Fall of the Roman Empire: Vol. 7, book.written_work.previous_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 6
Roman Empire, book.book_subject.works, The History of the Decline and Fall of the Roman Empire: Vol. 2
Roman Empire, military.military_combatant.military_conflicts, m.04yyplz
Roman Empire, military.military_combatant.military_conflicts, m.04yyndt
The History of the Decline and Fall of the Roman Empire: Vol. 2, book.written_work.part_of_series, The History of the Decline and Fall of the Roman Empire
Battle of Strasbourg, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yvn32
The History of the Decline and Fall of the Roman Empire: Vol. 2, common.topic.notable_types, Book
Roman Empire, military.military_combatant.military_conflicts, m.04z0r7n
The History of the Decline and Fall of the Roman Empire: Vol. 6, common.topic.notable_types, Book
The History of the Decline and Fall of the Roman Empire: Vol. 3, book.written_work.part_of_series, The History of the Decline and Fall of the Roman Empire
Roman Empire, fictional_universe.fictional_setting.languages, Greek Language
The History of the Decline and Fall of the Roman Empire: Vol. 1, book.written_work.author, Edward Gibbon
Roman Empire, location.location.people_born_here, Augustine of Hippo
Roman Empire, military.military_combatant.military_conflicts, m.04yynht
Gladiator, film.film.subjects, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yypm5
Roman Empire, military.military_combatant.military_conflicts, m.0c05v9w
Roman Empire, military.military_combatant.military_conflicts, m.0t5qtbp
The History of the Decline and Fall of the Roman Empire: Vol. 3, book.written_work.next_in_series, The History of the Decline and Fall of the Roman Empire: Vol. 4
Roman Empire, location.location.people_born_here, g.1hb_fx1hx
Roman Empire, location.location.events, Battle of Resaena
Augustine of Hippo, people.person.place_of_birth, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yypjc
Roman Empire, military.military_combatant.military_conflicts, m.0648xgk
Roman Empire, book.book_subject.works, The Gladiator
The History of the Decline and Fall of the Roman Empire: Vol. 5, book.written_work.subjects, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04z4n1f
Roman Empire, military.military_combatant.military_conflicts, m.04yypjj
Edward Gibbon, book.author.works_written, The History of the Decline and Fall of the Roman Empire: Vol. 1
Roman Empire, location.location.people_born_here, Demophilus of Constantinople
Roman Empire, military.military_combatant.military_conflicts, m.04yvlvy
Roman Empire, location.country.capital, Ravenna
Roman Empire, government.governmental_jurisdiction.governing_officials, m.0ngxd7s
m.0ws8w7_, location.partial_containment_relationship.partially_contains, Roman Empire
Roman Empire, military.military_combatant.military_conflicts, m.04yyx56
Roman Empire, film.film_subject.films, The Robe
Roman Empire, location.location.people_born_here, Paul I of Constantinople
Roman Empire, location.country.capital, Constantinople
Roman Empire, military.military_combatant.military_conflicts, m.0b7hgc7
Roman Empire, location.country.official_language, Latin Language
Roman Empire, royalty.system_of_nobility.titles, m.0gf9wnr
Roman Empire, military.military_combatant.military_conflicts, m.048zsyf
Roman Empire, military.military_combatant.military_conflicts, m.04y_9hc
Roman–Parthian War of 161–166, base.culturalevent.event.entity_involved, Roman Empire
Roman Empire, location.location.contains, g.120phpf9
Roman Empire, location.location.people_born_here, Coelia Concordia
Roman Empire, book.book_subject.works, The Roman Empire and Its Germanic Peoples
Roman Empire, military.military_combatant.military_conflicts, m.05nxjh8
Roman Empire, military.military_combatant.military_conflicts, m.04yynj8
Roman Empire, book.book_subject.works, The History of the Decline and Fall of the Roman Empire: Vol. 4
Roman Empire, military.military_combatant.military_conflicts, m.04yyp3_
The Roman Empire and Its Germanic Peoples, book.book.genre, Non-fiction
Roman Empire, base.casinos.casino_theme.casinos_in_this_theme, Caesars Atlantic City
The History of the Decline and Fall of the Roman Empire: Vol. 3, book.written_work.author, Edward Gibbon

Answer: Ravenna
Constantinople
Rome