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 was made by the subject of the image "A 1954 U.S. stamp featuring George Eastman"? 
Knowledge Triplets: A 1954 U.S. stamp featuring George Eastman, common.image.appears_in_topic_gallery, George Eastman
George Eastman, base.kwebbase.kwtopic.has_sentences, He also continued his philanthropic projects, which included establishing a professorship of American studies at Oxford University.
George Eastman, common.topic.image, George Eastman stamp
George Eastman, architecture.architect.structures_designed, Eastman Theatre
George Eastman, base.kwebbase.kwtopic.has_sentences, He went on hunting and fishing trips to Alaska and two extended African safaris.
Eastman Kodak, business.employer.employees, m.02t7ksj
Waterville, location.location.people_born_here, George Eastman
George Eastman, base.kwebbase.kwtopic.connections_from, george eastman prior inventor was hannibal goodwin
George Eastman, base.kwebbase.kwtopic.has_sentences, In 1884 Eastman invented the first successful roll film:  a paper-backed film cut into narrow strips and rolled.
Eastman Kodak, organization.organization.founders, George Eastman
m.02t7ksj, business.employment_tenure.person, George Eastman
George Eastman, base.kwebbase.kwtopic.has_sentences, His monopoly on both photographic and cinematic film brought patent and antitrust lawsuits.
m.0w5mrnz, education.education.student, George Eastman
Americans, people.ethnicity.geographic_distribution, United States of America
George Eastman House, symbols.namesake.named_after, George Eastman
Waterville, location.hud_county_place.place, Waterville
George Eastman, people.deceased_person.cause_of_death, Suicide
George Eastman, law.inventor.inventions, Roll film
George Eastman, base.kwebbase.kwtopic.has_sentences, Finding the process of \"wet- plating\" development excessively cumbersome, he set out to simplify and streamline it.
m.03pr0f5, people.place_lived.person, George Eastman
George Eastman, symbols.name_source.namesakes, Eastman School of Music
Inventor, freebase.equivalent_topic.equivalent_type, Inventor
George Eastman, people.person.places_lived, m.03pr0f5
m.03pr0f5, people.place_lived.location, Rochester
George Eastman, common.topic.image, Ad for the Kodak camera.
George Eastman, base.kwebbase.kwtopic.has_sentences, Then, with camera designer William Walker, he built a camera for the film.
George Eastman, base.kwebbase.kwtopic.has_sentences, It was the city of Rochester, however, that benefited most.
George Eastman, people.person.ethnicity, Americans
George Eastman, common.topic.article, m.0gc60
George Eastman, base.kwebbase.kwtopic.has_sentences, But Eastman soon fell into legal troubles.
Rochester, travel.travel_destination.tourist_attractions, George Eastman House
Rochester, location.hud_county_place.place, Rochester
george eastman provided film for thomas alva edison, base.kwebbase.kwconnection.sentence, Provided film for Edison's first motion picture.
Eastman Theatre, symbols.namesake.named_after, George Eastman
Eastman Chemical Company, organization.organization.founders, George Eastman
George Eastman, common.topic.notable_for, g.1259plh9t
Eastman School of Music, location.location.containedby, Rochester
George Eastman, base.kwebbase.kwtopic.has_sentences, A great American innovator.
Rochester, base.biblioness.bibs_location.country, United States of America
George Eastman, people.person.profession, Businessperson
George Eastman, base.kwebbase.kwtopic.has_sentences, Provided film for Edison's first motion picture.
George Eastman, base.kwebbase.kwtopic.connections_to, hannibal goodwin patent infringed by george eastman
George Eastman House, travel.tourist_attraction.near_travel_destination, Rochester
George Eastman, common.topic.notable_types, Inventor
Eastman School of Music, organization.organization.founders, George Eastman
Waterville, location.location.containedby, United States of America
United States of America, base.biblioness.bibs_topic.subsumes, United States of America
George Eastman, people.person.education, m.0w5mrnz
Eastman School of Music, symbols.namesake.named_after, George Eastman
George Eastman, base.kwebbase.kwtopic.connections_from, george eastman provided film for thomas alva edison
George Eastman, people.person.nationality, United States of America
George Eastman, base.kwebbase.kwtopic.has_sentences, A bookkeeper for the Rochester Savings Bank, Eastman took an serious interest in photography in his early 20's.
George Eastman, symbols.name_source.namesakes, Eastman Dental Dispensary
George Eastman, base.kwebbase.kwtopic.has_sentences, Eastman made an out-of-court settlement with Ansco (Anthony and Scovill Company), which owned Goodwin's patent and had brought the suit.
Eastman Kodak, organization.organization.place_founded, United States of America
George Eastman House, location.location.containedby, Rochester
George Eastman, common.topic.image, A 1954 U.S. stamp featuring George Eastman
George Eastman, organization.organization_founder.organizations_founded, Eastman School of Music
George Eastman, base.kwebbase.kwtopic.has_sentences, At the turn of the 21st century, it was one of the largest American companies in its field.
George Eastman, symbols.name_source.namesakes, Eastman Theatre
George Eastman, base.kwebbase.kwtopic.has_sentences, By 1927, Eastman Kodak still had a virtual monopoly of the photographic industry in the United States.
George Eastman, base.kwebbase.kwtopic.connections_from, george eastman used invention of john wesley hyatt
George Eastman, law.inventor.inventions, Roll film
George Eastman, people.person.employment_history, m.02t7ksj
Eastman School of Music, education.educational_institution.campuses, Eastman School of Music
Inventor, freebase.type_profile.equivalent_topic, Inventor
George Eastman, base.kwebbase.kwtopic.has_sentences, In 1880, he was granted a U.S. patent for the apparatus and opened the Eastman Dry Plate Company in Rochester.
George Eastman, people.deceased_person.place_of_death, Rochester
Rochester, location.location.containedby, United States of America
A 1954 U.S. stamp featuring George Eastman, common.image.size, m.02bq48y
George Eastman, people.person.place_of_birth, Waterville
George Eastman, organization.organization_founder.organizations_founded, Eastman Chemical Company
george eastman provided film for thomas alva edison, base.kwebbase.kwconnection.subject, George Eastman
A 1954 U.S. stamp featuring George Eastman, common.topic.image, George Eastman
George Eastman, people.person.gender, Male
George Eastman, base.kwebbase.kwtopic.has_sentences, It was advertised with the famous slogan \"You press the button, we do the rest\".
George Eastman, base.kwebbase.kwtopic.has_sentences, The development of X-ray photography and motion pictures increased Eastman's fortunes.
George Eastman, organization.organization_founder.organizations_founded, Eastman Kodak
Eastman School of Music, education.educational_institution_campus.educational_institution, Eastman School of Music
Eastman School of Music, location.location.containedby, United States of America
George Eastman, symbols.name_source.namesakes, George Eastman House
Eastman Theatre, architecture.structure.architect, George Eastman
United States of America, base.biblioness.bibs_topic.is_really, United States of America
George Eastman, people.person.profession, Inventor
George Eastman, base.kwebbase.kwtopic.connections_to, john wesley hyatt invention modified by george eastman
m.02t7ksj, business.employment_tenure.company, Eastman Kodak

Answer: Roll film