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: texas dance halls: a two-step circuit uses which binding format for its first edition? 
Knowledge Triplets: Folk dance, base.dance.dance_form.subgenre, Circle dance
Texas Dance Halls: A Two-Step Circuit, book.written_work.copyright_date, 2007
Folk dance, base.dance.dance_form.subgenre, Ukrainian dance
Texas Dance Halls: A Two-Step Circuit, media_common.cataloged_instance.opac_umich, 5618698
Texas Dance Hall Preservation, organization.organization.sectors, Dance halls
Pat Green's Dance Halls & Dreamers, book.written_work.subjects, Dance halls
International folk dance, base.dance.dance_form.parent_genre, Folk dance
Texas Dance Halls: A Two-Step Circuit, media_common.cataloged_instance.opac_northwestern, 4775448
Folk dance, base.ontologies.ontology_instance.equivalent_instances, m.07nf1wd
J. Marcus Weekley, book.illustrator.books_illustrated, Texas Dance Halls: A Two-Step Circuit
Texas Dance Halls: A Two-Step Circuit, book.book_edition.isbn, 9780896726031
9780896726031, book.isbn.book_editions, Texas Dance Halls: A Two-Step Circuit
Texas Dance Halls: A Two-Step Circuit, media_common.cataloged_instance.opac_cornell, 6156343
J. Marcus Weekley, people.person.languages, English Language
Texas Dance Halls: A Two-Step Circuit, book.book_edition.interior_illustrations_by, J. Marcus Weekley
Dance halls, organization.organization_sector.organizations_in_this_sector, Texas Dance Hall Preservation
m.0cr3sx6, people.place_lived.person, J. Marcus Weekley
Circle dance, base.dance.dance_form.parent_genre, Folk dance
J. Marcus Weekley, people.person.places_lived, m.0cr3sx1
m.0v57631, dataworld.gardening_hint.last_referenced_by, Folk dance
Texas Dance Halls: A Two-Step Circuit, book.book.first_edition, Texas Dance Halls: A Two-Step Circuit
Ukrainian dance, base.dance.dance_form.parent_genre, Folk dance
J. Marcus Weekley, people.person.gender, Male
Andy Wilkinson, book.author.works_edited, Texas Dance Halls: A Two-Step Circuit
m.07nf1wd, base.ontologies.ontology_instance_mapping.freebase_topic, Folk dance
J. Marcus Weekley, people.person.education, m.0cr3sy9
Texas Dance Halls: A Two-Step Circuit, book.book.editions, Texas Dance Halls: A Two-Step Circuit
Folk dance, base.dance.dance_form.subgenre, Morris dance
Folk dance, book.book_subject.works, Texas Dance Halls: A Two-Step Circuit
Texas Dance Halls: A Two-Step Circuit, book.book_edition.publication_date, 2007-09-01
m.0cr3sxv, people.place_lived.person, J. Marcus Weekley
J. Marcus Weekley, people.person.education, m.0cr3syk
J. Marcus Weekley, book.illustrator.book_editions_illustrated, Texas Dance Halls: A Two-Step Circuit
Dance halls, base.skosbase.vocabulary_equivalent_topic.equivalent_concept, Dance halls
Texas Dance Halls: A Two-Step Circuit, book.written_work.date_of_first_publication, 2007-09-01
Austrian folk dance, base.dance.dance_form.parent_genre, Folk dance
Texas Dance Halls: A Two-Step Circuit, book.book_edition.binding, Hardcover
Texas Dance Halls: A Two-Step Circuit, book.written_work.editor, Andy Wilkinson
folk dancing.noun.01, base.wordnet.synset.equivalent_topic, Folk dance
Israeli folk dancing, base.dance.dance_form.parent_genre, Folk dance
Folk dance, base.dance.dance_form.subgenre, Qhapaq Qulla
Folk dance, base.dance.dance_form.subgenre, Israeli folk dancing
J. Marcus Weekley, people.person.education, m.0cr3syq
m.0cr3sx1, people.place_lived.person, J. Marcus Weekley
m.0thty3n, dataworld.gardening_hint.last_referenced_by, J. Marcus Weekley
J. Marcus Weekley, people.person.places_lived, m.0cr3sxv
J. Marcus Weekley, people.person.date_of_birth, 1975
m.0cr3syk, education.education.student, J. Marcus Weekley
Folk dance, base.dance.dance_form.subgenre, International folk dance
J. Marcus Weekley, people.person.places_lived, m.0cr3sx6
Texas Dance Halls: A Two-Step Circuit, book.book_edition.book, Texas Dance Halls: A Two-Step Circuit
Texas Dance Halls: A Two-Step Circuit, book.written_work.author, Gail Folkins
m.0cr3sx_, people.place_lived.person, J. Marcus Weekley
m.06h_8hr, base.yupgrade.user.topics, Folk dance
J. Marcus Weekley, people.person.places_lived, m.0cr3sxc
m.0cr3sxp, people.place_lived.person, J. Marcus Weekley
Gail Folkins, people.person.gender, Female
J. Marcus Weekley, people.person.places_lived, m.0cr3sxp
m.0wf4wz1, education.education.specialization, Folk dance
m.0cr3sy9, education.education.student, J. Marcus Weekley
m.0cr3sxc, people.place_lived.person, J. Marcus Weekley
Dance halls, book.book_subject.works, Texas Dance Halls: A Two-Step Circuit
Qhapaq Qulla, base.dance.dance_form.parent_genre, Folk dance
m.0cr3syq, education.education.student, J. Marcus Weekley
Photographer, people.profession.people_with_this_profession, J. Marcus Weekley
Texas Dance Halls: A Two-Step Circuit, media_common.cataloged_instance.opac_psu, 4098262
Folk dance, base.dance.dance_form.subgenre, Austrian folk dance
m.0cr3sxj, people.place_lived.person, J. Marcus Weekley
Folk dance, user.avh.default_domain.ellerdale_topic.ellerdale_id, 0080-6be3
Texas Dance Halls: A Two-Step Circuit, book.book.interior_illustrations_by, J. Marcus Weekley
J. Marcus Weekley, people.person.profession, Photographer
Gail Folkins, book.author.works_written, Texas Dance Halls: A Two-Step Circuit
J. Marcus Weekley, people.person.place_of_birth, Chattanooga
J. Marcus Weekley, people.person.places_lived, m.0cr3sx_
Texas Dance Halls: A Two-Step Circuit, media_common.cataloged_instance.opac_uchicago, 6624599
Morris dance, base.dance.dance_form.parent_genre, Folk dance
Texas Dance Halls: A Two-Step Circuit, book.written_work.subjects, Dance halls
Sword dance, base.dance.dance_form.parent_genre, Folk dance
Dance halls, base.skosbase.skos_concept.equivalent_topic, Dance halls
Texas Dance Halls: A Two-Step Circuit, book.book_edition.publisher, Texas Tech University Press
Texas Tech University Press, book.publishing_company.books_published, Texas Dance Halls: A Two-Step Circuit
J. Marcus Weekley, people.person.nationality, United States of America
J. Marcus Weekley, people.person.places_lived, m.0cr3sxj
Chattanooga, location.location.people_born_here, J. Marcus Weekley
Folk dance, base.dance.dance_form.subgenre, Sword dance
Texas Dance Halls: A Two-Step Circuit, media_common.cataloged_instance.isbn13, 9780896726031
Dance halls, book.book_subject.works, Pat Green's Dance Halls & Dreamers
Texas Dance Halls: A Two-Step Circuit, book.written_work.subjects, Folk dance

Answer: Hardcover