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: What currency is used by the officers involved in the Battle of Kulikovo? 
Knowledge Triplets: m.04z2mn5, military.military_combatant_group.combatants, Golden Horde
Military, type.domain.types, Military Commander
Rostov, location.location.people_born_here, Olena Kryvytska
Grand Duchy of Moscow, base.schemastaging.context_name.pronunciation, g.125_n5j65
m.04lmlc1, military.force_strength.resource, Infantry
Rostov, common.topic.image, Spaso-Jakovlevskij -1
Principality of Suzdal—Nizhny Novgorod, common.topic.notable_types, Location
Battle of Kulikovo, base.culturalevent.event.entity_involved, Mamai
Golden Horde, location.country.capital, Sarai
Golden Horde, military.military_combatant.military_conflicts, m.04lml8r
Grand Duchy of Moscow, location.country.form_of_government, Tsarist autocracy
Rostov, location.location.people_born_here, Anna of Kashin
Military Conflict, type.type.properties, Military personnel involved
Participated in military conflicts, rdf-schema#range, Military Conflict
Golden Horde, location.location.people_born_here, Tini Beg
Mamai, military.military_commander.military_commands, m.07nwvcr
Rostov, location.location.people_born_here, Constantin Alajalov
Principality of Murom, common.topic.article, m.03nxkt8
Military personnel involved, type.property.master_property, Participated in conflicts
Infantry, military.military_resource.conflicts, m.04lmlbr
Dmitry Donskoy, common.topic.notable_types, Military Commander
Golden Horde, military.military_combatant.military_conflicts, m.0hvy0b2
Dmitry Donskoy, people.person.spouse_s, m.0j4m6yn
Rurik dynasty, royalty.royal_line.monarchs_from_this_line, Dmitry Donskoy
Don River, common.topic.image, Don River watershed
Military Conflict, type.property.reverse_property, Commanders
Battle of Kulikovo, common.topic.notable_for, g.1256x4mgg
City/Town/Village, freebase.type_profile.strict_included_types, Topic
Dmitry Donskoy, common.topic.article, m.012_bk
Military Conflict, owl#inverseOf, Force Strengths
m.04lml8r, military.military_combatant_group.combatants, Golden Horde
Grand Duchy of Moscow, location.country.currency_used, Russian ruble
Olena Kryvytska, people.person.place_of_birth, Rostov
Rostov, location.location.contains, Rostov Observatory
Kulikovo05, common.image.appears_in_topic_gallery, Battle of Kulikovo
War, freebase.equivalent_topic.equivalent_type, Military Conflict
m.04lmlck, military.casualties.military_conflict, Battle of Kulikovo
Country, freebase.type_profile.strict_included_types, Topic
Mamai, common.topic.notable_for, g.1255l0cjy
Grand Duchy of Moscow, common.topic.image, Moscow daniel
Rostov, location.location.adjoin_s, m.0b6z5xt
Principality of Beloozero, common.topic.notable_for, g.1258tny67
Battle of Kulikovo, military.military_conflict.force_strengths, m.04lmlc1
Russian ruble, finance.currency.countries_used, Grand Duchy of Moscow
Battle of Kulikovo, military.military_conflict.casualties, m.04lmlck
Participated in conflicts, owl#inverseOf, Military personnel involved
City/Town/Village, freebase.type_profile.kind, Definition
Force Strengths, type.property.schema, Military Conflict
Battle of Kulikovo, base.culturalevent.event.entity_involved, Rostov
Battle of Kulikovo, military.military_conflict.force_strengths, m.04lmlbr
Combatants, rdf-schema#domain, Military Conflict
Conflict, rdf-schema#range, Military Conflict
Dmitry Donskoy, royalty.monarch.royal_line, Rurik dynasty
Military Conflict, type.type.properties, Casualties
Battle of Kulikovo, time.event.locations, Don River
Commanders, type.property.master_property, Military Conflict
City/Town/Village, freebase.type_profile.strict_included_types, Location
Battle of Rostov (1941), time.event.locations, Rostov-on-Don
Commanders, rdf-schema#domain, Military Conflict
Battle of Kulikovo, time.event.locations, Kulikovo Field
Golden Horde, military.military_combatant.military_conflicts, m.07lmb6d
Mamai, people.person.spouse_s, m.0jmxdd1
Participated in conflicts, type.property.expected_type, Military Conflict
Rostov, location.location.people_born_here, Tofig Zulfugarov
Anna of Moscow, people.family_member.family, Rurik dynasty
Military Conflict, type.type.expected_by, Participated in conflicts
Vasily I of Moscow, royalty.monarch.royal_line, Rurik dynasty
Tula Oblast, location.administrative_division.country, Russia
m.04fvcy4, military.military_combatant_group.combatants, Russia
Dmitry Donskoy, military.military_commander.military_commands, m.04z62c5
Ivan II of Moscow, royalty.monarch.royal_line, Rurik dynasty
Golden Horde, common.topic.image, Location of Golden Horde
Don River, geography.river.basin_countries, Ukraine
m.04lml9z, military.military_command.military_conflict, Battle of Kulikovo
m.05ysm_j, royalty.noble_title_tenure.noble_person, Dmitry Donskoy
Campaigns, type.property.expected_type, Military Conflict
Ivan II of Moscow, people.person.children, Dmitry Donskoy
Rostov, location.location.people_born_here, Alexander Safoshkin
Yvon kremlin, common.image.appears_in_topic_gallery, Battle of Kulikovo
Force Strengths, rdf-schema#domain, Military Conflict
m.04lmlbr, military.force_strength.combatant, Golden Horde
Country, freebase.type_hints.included_types, Topic
Rostov, common.topic.article, m.02bx29
Golden Horde, location.location.people_born_here, Ahmed Khan bin Küchük
Dmitry Donskoy, people.person.nationality, Russia
Military Commander, freebase.type_hints.included_types, Topic
Golden Horde, common.topic.notable_for, g.1259t_vb5
Golden Horde, location.location.people_born_here, Öz Beg Khan
Military personnel involved, type.property.schema, Military Conflict
Rurik dynasty, royalty.royal_line.monarchs_from_this_line, Vasily I of Moscow
Battle of Kulikovo, base.culturalevent.event.entity_involved, Principality of Murom
m.02bm4f4, common.image.appears_in_topic_gallery, Golden Horde
Military personnel involved, rdf-schema#domain, Military Conflict
Military Conflict, freebase.type_profile.equivalent_topic, War
Dmitry Donskoy, people.person.children, Vasily I of Moscow
Military Conflict, owl#inverseOf, Commanders
Dmitry Donskoy, people.deceased_person.place_of_death, Moscow
Rostov, location.location.containedby, Yaroslavl Oblast
Military Conflict, type.type.properties, Combatants
Dmitry Donskoy, royalty.noble_person.titles, m.05ysm_j
Battle of Kulikovo, base.culturalevent.event.entity_involved, Principality of Yaroslavl
Golden Horde, military.military_combatant.military_conflicts, m.04q5xb5
Military Commander, type.type.domain, Military
m.07nwvcr, military.military_command.military_commander, Mamai
Battle of Kulikovo, base.culturalevent.event.entity_involved, Grand Duchy of Moscow
Conflict, type.property.expected_type, Military Conflict
Dmitry Donskoy, military.military_commander.military_commands, m.04lmlb7
Military Conflict, common.topic.article, m.0dgb7fm
Battle of Kulikovo, common.topic.image, Yvon kremlin
Campaigns, rdf-schema#range, Military Conflict
m.04lmlc1, military.force_strength.combatant, Russia
Don River, location.location.people_born_here, Yemelyan Pugachev
Grand Duchy of Moscow, location.country.form_of_government, Absolute monarchy
Vasily I of Moscow, people.person.place_of_birth, Moscow
Rostov, location.location.people_born_here, g.1yw9ktk28
Yaroslavl Oblast, location.location.contains, Rostov
Russia, common.topic.notable_types, Country
Military Conflict, type.property.reverse_property, Casualties
Yaroslavl Oblast, location.location.containedby, Russia
Casualties, rdf-schema#domain, Military Conflict
Don River, location.location.events, Battle of Kulikovo
Kulikovo Field, location.location.containedby, Tula Oblast
Military Conflict, type.type.domain, Military
Dmitry Donskoy, common.topic.notable_for, g.125c0g98n
Golden Horde, location.location.people_born_here, Jalal al-Din Khan ibn Tokhtamysh
Europe, base.locations.continents.countries_within, Russia
m.05cbx0p, military.military_command.military_combatant, Golden Horde
Battle of Kulikovo, time.event.included_in_event, Mongol period
Rurik dynasty, royalty.royal_line.monarchs_from_this_line, Ivan II of Moscow
Don River, common.topic.notable_for, g.125dx8dnm
Military Conflict, type.type.expected_by, Participated in military conflicts
Mongol period, common.topic.notable_for, g.1258yxx14
Moscow, base.biblioness.bibs_location.country, Russia
Golden Horde, location.location.people_born_here, Baraq
Casualties, type.property.master_property, Military Conflict
m.07lf2fw, common.webpage.topic, Rostov
Principality of Beloozero, location.location.geolocation, m.0_1tr28
m.04z62c5, military.military_command.military_commander, Dmitry Donskoy
Country, freebase.type_profile.published, Published
Grand Duchy of Moscow, location.country.form_of_government, Grand principality
Grand Duchy of Moscow, common.topic.notable_types, Country
Grand Duchy of Moscow, location.country.official_language, Old East Slavic
Rostov, location.location.people_born_here, Dmitry Steesy
m.05t7brx, military.military_combatant_group.combatants, Golden Horde
Vasily I of Moscow, people.person.children, Anna of Moscow
Golden Horde, military.military_combatant.military_conflicts, m.05t7brx
Locations, type.property.schema, Military Conflict
Battle of Kulikovo, common.topic.notable_types, Military Conflict
m.04lmlb7, military.military_command.military_commander, Dmitry Donskoy
Golden Horde, military.military_combatant.military_conflicts, m.05t7b9t
Russia, military.military_combatant.military_conflicts, m.04fvcy4
Rostov, common.topic.notable_types, City/Town/Village
Grand Duchy of Moscow, location.location.events, g.120yxq02
Mongol period, common.topic.notable_types, Event
Event, freebase.type_profile.kind, Definition
Battle of Kulikovo, military.military_conflict.commanders, m.04lml9z
m.04lmlb7, military.military_command.military_combatant, Russia
Yvon kremlin, common.image.size, m.02c05_t
Military Commander, freebase.type_profile.published, Published
Ivan II of Moscow, people.deceased_person.place_of_death, Moscow
Dmitry Donskoy, people.person.children, g.12385358
Don River, geography.river.cities, Voronezh
Mamai, common.topic.image, Donskoi
Voldemar Vetluguin, people.person.place_of_birth, Rostov
Grand Duchy of Moscow, common.topic.article, m.0c847
Military Conflict, type.type.expected_by, Conflict
Rostov, location.location.containedby, Russia
m.04q5xb5, military.military_combatant_group.combatants, Golden Horde
m.07nwvcr, military.military_command.military_combatant, Golden Horde
m.0ccdxly, military.military_combatant_group.combatants, Golden Horde
Rostov, location.location.people_born_here, Dmitry Borisovich
Combatants, type.property.schema, Military Conflict
m.0jmxdd1, people.marriage.spouse, Mamai
Battle of Rostov (1941), common.topic.notable_types, Military Conflict
Absolute monarchy, government.form_of_government.countries, Grand Duchy of Moscow
Don River, common.topic.article, m.0n1j1
Golden Horde, military.military_combatant.military_conflicts, m.04z5phh
Battle of Kulikovo, base.culturalevent.event.entity_involved, Golden Horde
Principality of Suzdal—Nizhny Novgorod, common.topic.article, m.09v0wg2
Vasily I of Moscow, people.person.gender, Male
Location, freebase.type_hints.included_types, Topic
Russia, location.location.partially_containedby, Europe
Grand Duchy of Moscow, location.location.events, Battle of Suzdal
River, freebase.type_hints.included_types, Location
m.0c5n10s, military.military_combatant_group.combatants, Golden Horde
Grand Duchy of Moscow, location.location.events, Muscovite Civil War
Golden Horde, location.location.people_born_here, Dawlat Berdi
Participated in conflicts, rdf-schema#range, Military Conflict
m.04lml9z, military.military_command.military_combatant, Golden Horde
Battle of Kulikovo, common.topic.image, Kulikovo05
m.07nwv6j, people.marriage.spouse, Mamai
Golden Horde, military.military_combatant.military_conflicts, m.062tk45
Russia, location.country.administrative_divisions, Yaroslavl Oblast
Military Conflict, type.type.properties, Locations
Dmitry Donskoy, people.person.children, g.1212xm56
m.0b6z5xt, location.adjoining_relationship.adjoins, Rostov
Battle of Kulikovo, military.military_conflict.combatants, m.04lml8r
Russia, military.military_combatant.military_commanders, m.04lmlb7
Rostov, location.location.people_born_here, Lev Naumov
Dmitry Donskoy, people.person.children, g.120z_sw2
Don River, location.location.containedby, Europe
Dmitry Donskoy, people.person.parents, Ivan II of Moscow
City/Town/Village, freebase.type_profile.published, Published
Olena Kryvytska, people.person.nationality, Russia
Military Conflict, type.type.expected_by, Military Conflict
Russia, location.country.capital, Moscow
m.04lmlck, military.casualties.combatant, Russia
Fought in this battle, rdf-schema#range, Military Conflict
Golden Horde, military.military_combatant.military_conflicts, m.0c5n10s
Dmitry Donskoy, common.topic.image, Donskoi
Principality of Yaroslavl, common.topic.notable_for, g.1255qmdck
Don River, geography.river.basin_countries, Russia
Military Conflict, type.type.properties, Commanders
Principality of Yaroslavl, common.topic.article, m.09v57p9
Don River, geography.river.mouth, Sea of Azov
Golden Horde, military.military_combatant.military_commanders, m.04lml9z
Rostov, location.location.people_born_here, Rafael Samurgashev
Don River, geography.river.cities, Rostov-on-Don
Golden Horde, military.military_combatant.military_conflicts, m.04z119p
Rostov, location.location.people_born_here, Petr Pavlovich Dobronravin
Rostov-on-Don, location.location.containedby, Russia
Ukraine, common.topic.notable_types, Country
Battle of Kulikovo, military.military_conflict.combatants, m.04fvcy4
Rostov, common.topic.notable_for, g.125b8ytjz
Russia, base.locations.countries.continent, Europe
Golden Horde, military.military_combatant.military_conflicts, m.04yys62
Event, freebase.type_hints.included_types, Topic
Russian ruble, finance.currency.countries_used, Russia
Anna of Moscow, people.person.place_of_birth, Grand Duchy of Moscow
Voldemar Vetluguin, people.person.gender, Male
Voronezh, common.topic.notable_types, City/Town/Village
Golden Horde, military.military_combatant.military_commanders, m.05cbx0p
Fought in this battle, type.property.expected_type, Military Conflict
m.04lml9z, military.military_command.military_commander, Mamai
Rostov, common.topic.image, Rostov19
Europe, location.location.partially_contains, Russia
Golden Horde, military.military_combatant.force_deployments, m.04lmlbr
Anna of Moscow, people.person.parents, Vasily I of Moscow
m.04lmlc1, military.force_strength.military_conflict, Battle of Kulikovo
Rostov, location.location.people_born_here, Kira Sinou
City/Town/Village, freebase.type_hints.included_types, Topic
Golden Horde, military.military_combatant.military_commanders, m.07nwvcr
Participated in military conflicts, type.property.expected_type, Military Conflict
Rostov, location.location.events, Battle of Rostov (1941)
Rostov, common.topic.webpage, m.07lf2fw
Golden Horde, military.military_combatant.military_conflicts, m.04y_8wx
Novomoskovsk, location.location.containedby, Russia
Golden Horde, military.military_combatant.military_conflicts, m.0ccdxly
Military Conflict, freebase.type_hints.included_types, Topic
Rostov, location.location.people_born_here, Anna Yuchenko
Grand Duchy of Moscow, common.topic.image, Modern emblem of Moscow
Military Conflict, owl#inverseOf, Casualties
Alexandra Velyaminova, people.person.children, Dmitry Donskoy
Golden Horde, common.topic.image, Suzdal-invasion2
Rostov, location.location.people_born_here, Sergius of Radonezh
Military Conflict, type.type.expected_by, Fought in this battle
Moscow, location.administrative_division.country, Russia
Principality of Murom, common.topic.notable_types, Location
Golden Horde, military.military_combatant.military_conflicts, m.04z62cb
Combatants, type.property.master_property, Conflict
Yaroslavl Oblast, location.administrative_division.country, Russia
m.04z5phh, military.military_combatant_group.combatants, Golden Horde
Battle of Kulikovo, base.culturalevent.event.entity_involved, Grand Duchy of Moscow
Country, freebase.type_profile.kind, Definition
Don River, common.topic.notable_types, River
m.07lmb6d, military.military_combatant_group.combatants, Golden Horde
Russia, military.military_combatant.force_deployments, m.04lmlc1
Principality of Beloozero, common.topic.notable_types, Location
Kulikovo Field, common.topic.article, m.027ttvt
Rostov, location.location.people_born_here, Sergei Davydov
Golden Horde, location.location.people_born_here, g.1hc0gs3fw
m.0hvy0b2, military.military_combatant_group.combatants, Golden Horde
Voronezh, location.location.containedby, Russia
Rostov, location.location.people_born_here, Adrian of Poshekhonye
Rostov-on-Don, location.location.events, Battle of Rostov (1941)
Tula Oblast, location.location.contains, Kulikovo Field
Moscow, base.biblioness.bibs_topic.subsumes, Moscow
Feodosia, location.location.containedby, Ukraine
m.0j4m6yn, people.marriage.spouse, Dmitry Donskoy
Battle of Kulikovo, base.culturalevent.event.entity_involved, Principality of Suzdal—Nizhny Novgorod
Military Conflict, type.type.expected_by, Campaigns
Golden Horde, common.topic.image, m.02bm4f4
Grand Duchy of Moscow, common.topic.notable_for, g.1255z31tn
Event, freebase.type_profile.published, Published
Topic, freebase.type_profile.published, Published
Grand Duchy of Moscow, location.location.containedby, Russia
m.04y_8wx, military.military_combatant_group.combatants, Golden Horde
Dmitry Donskoy, people.person.gender, Male
Military, type.domain.types, Military Conflict
Military Conflict, type.property.expected_type, Military Conflict
m.04fvcy4, military.military_combatant_group.conflict, Battle of Kulikovo
Conflicts, type.property.expected_type, Military Conflict
Golden Horde, location.location.people_born_here, Talabuga
Country, freebase.type_profile.strict_included_types, Location
Ivan II of Moscow, people.person.place_of_birth, Moscow
Casualties, type.property.schema, Military Conflict
Dmitry Donskoy, people.person.children, Yury of Zvenigorod
Conflict, owl#inverseOf, Combatants
Conflict, type.property.reverse_property, Combatants
Mamai, people.person.gender, Male
Rostov-on-Don, common.topic.notable_types, City/Town/Village
Vasily I of Moscow, people.deceased_person.place_of_death, Moscow
Kulikovo Field, location.location.events, Battle of Kulikovo
m.04lmlb7, military.military_command.military_conflict, Battle of Kulikovo
Rostov, location.location.people_born_here, g.125n2dhn9
Military Conflict, base.descriptive_names.names.descriptive_name, m.012nnlhy
Principality of Beloozero, common.topic.article, m.0681hw
Rostov, location.location.people_born_here, g.122g8w4y
m.04z119g, military.military_combatant_group.combatants, Golden Horde
Tula Oblast, location.location.contains, Novomoskovsk
Dmitry Donskoy, common.topic.image, Yvon kremlin
Event, freebase.type_profile.strict_included_types, Topic
Golden Horde, location.location.people_born_here, Jani Beg
Ukraine, base.locations.countries.continent, Europe
Golden Horde, common.topic.article, m.012yq8
Kulikovo Field, common.topic.notable_types, Location
Rostov, location.location.people_born_here, Saul Dushman
Infantry, military.military_resource.conflicts, m.04lmlc1
River, freebase.type_profile.strict_included_types, Location
Principality of Murom, common.topic.notable_for, g.125977d47
Don River, geography.river.cities, Novomoskovsk
Rostov, location.location.people_born_here, Lida Malek-Yonan
Mamai, people.deceased_person.place_of_death, Feodosia
Kulikovo Field, location.location.geolocation, m.04lmlcv
Ukraine, location.location.containedby, Europe
Battle of Kulikovo, military.military_conflict.commanders, m.04lmlb7
Kulikovo Field, common.topic.notable_for, g.1254zhdlv
Grand Duchy of Moscow, location.location.people_born_here, Yermak Timofeyevich
Military Conflict, freebase.type_profile.strict_included_types, Event
Conflicts, rdf-schema#range, Military Conflict
Novomoskovsk, location.location.containedby, Tula Oblast
Russia, location.country.currency_used, Russian ruble
Country, freebase.type_hints.included_types, Location
City/Town/Village, freebase.type_hints.included_types, Location
m.04z62cb, military.military_combatant_group.combatants, Golden Horde
Military Conflict, type.type.expected_by, Conflicts
Vasily I of Moscow, people.person.parents, Dmitry Donskoy
Grand Duchy of Moscow, location.country.form_of_government, Monarchy
m.04yzmpt, military.military_combatant_group.combatants, Golden Horde
Military Conflict, freebase.type_profile.kind, Definition
Grand Duchy of Moscow, common.topic.image, Russia around the time of Jenkinson's travels
Military Conflict, type.type.properties, Force Strengths
Don River, geography.river.origin, Novomoskovsk
Military Commander, freebase.type_profile.strict_included_types, Topic
Mongol period, time.event.includes_event, Battle of Kulikovo
Ivan II of Moscow, people.family_member.family, Rurik dynasty
Dmitry Donskoy, people.person.place_of_birth, Moscow
Battle of Kulikovo, base.culturalevent.event.entity_involved, Dmitry Donskoy
Location, freebase.type_profile.published, Published
Grand Duchy of Moscow, location.country.capital, Moscow
m.04yys62, military.military_combatant_group.combatants, Golden Horde
m.05t7b9t, military.military_combatant_group.combatants, Golden Horde
Principality of Suzdal—Nizhny Novgorod, common.topic.notable_for, g.1259vy31d
Battle of Rostov (1941), time.event.locations, Rostov
m.04lmlbr, military.force_strength.resource, Infantry
Force Strengths, type.property.master_property, Military Conflict
Military Conflict, rdf-schema#range, Military Conflict
Golden Horde, location.location.people_born_here, Mengu-Timur
Kulikovo05, common.image.size, m.04ztgxx
m.062tk45, military.military_combatant_group.combatants, Golden Horde
Grand Duchy of Moscow, location.country.currency_used, Russian ruble
Mamai, common.topic.notable_types, Military Commander
River, freebase.type_profile.strict_included_types, Topic
Europe, base.locations.continents.countries_within, Ukraine
Dmitry Donskoy, people.person.parents, Alexandra Velyaminova
m.04lmlbr, military.force_strength.military_conflict, Battle of Kulikovo
m.04lml8r, military.military_combatant_group.conflict, Battle of Kulikovo
Vasily I of Moscow, people.person.nationality, Russia
Rostov, location.location.geolocation, m.0239syk
Feodosia, common.topic.notable_types, City/Town/Village
Battle of Kulikovo, base.culturalevent.event.entity_involved, Principality of Beloozero
Commanders, type.property.schema, Military Conflict
River, freebase.type_hints.included_types, Topic
Military Conflict, freebase.type_profile.published, Published
Rostov, location.location.people_born_here, Voldemar Vetluguin
Golden Horde, military.military_combatant.military_conflicts, m.04z119g
Grand Duchy of Moscow, location.location.people_born_here, Anna of Moscow
Golden Horde, location.location.people_born_here, Tode Mongke
Dmitry Donskoy, common.topic.image, Dmitri Donskoi
River, freebase.type_profile.published, Published
Golden Horde, location.location.people_born_here, Chaka of Bulgaria
Locations, rdf-schema#domain, Military Conflict
Novomoskovsk, common.topic.notable_types, City/Town/Village
Don River, location.location.containedby, Russia
Golden Horde, common.topic.notable_types, Location
Military Conflict, type.property.reverse_property, Force Strengths
Mamai, people.person.spouse_s, m.07nwv6j
Russia, military.military_combatant.casualties, m.04lmlck
River, freebase.type_profile.kind, Definition
Golden Horde, military.military_combatant.military_conflicts, m.04yzmpt
Ivan II of Moscow, people.person.gender, Male
Olena Kryvytska, people.person.nationality, Ukraine
Moscow, location.location.containedby, Europe
m.04z119p, military.military_combatant_group.combatants, Golden Horde
Don River, location.location.events, Southern Front of the Russian Civil War
Participated in conflicts, type.property.reverse_property, Military personnel involved
Military Conflict, freebase.type_profile.strict_included_types, Topic
Russia, location.country.administrative_divisions, Tula Oblast
Battle of Kulikovo, common.topic.article, m.019762
Mamai, common.topic.article, m.01k2ph
Moscow, base.biblioness.bibs_topic.is_really, Moscow
Kulikovo Field, common.topic.image, Kulikovo pole - Hram Sergiya Radonezhskogo
Tula Oblast, location.location.containedby, Russia
Military Conflict, base.descriptive_names.names.descriptive_name, m.012r6c_h
Russia, location.country.administrative_divisions, Moscow
Locations, rdf-schema#range, Location
Ivan II of Moscow, people.person.nationality, Russia
Mamai, military.military_commander.military_commands, m.04lml9z
Yvon kremlin, common.image.appears_in_topic_gallery, Dmitry Donskoy
Locations, type.property.expected_type, Location
Principality of Yaroslavl, common.topic.notable_types, Location
Military Conflict, freebase.type_hints.included_types, Event
Golden Horde, military.military_combatant.military_conflicts, m.04z2mn5
Moscow, location.location.containedby, Russia

Answer: Russian ruble