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 brand of guitar is preferred by the actor who portrayed Jack Butler? 
Knowledge Triplets: Brand, business.industry.companies, AirSpace Studio
Business, internet.website_category.sites, Nebulaworks
Owner(s), rdf-schema#domain, Brand
Business, type.domain.types, Issue Type
Official website, rdf-schema#domain, Topic
Brand, rdf-schema#domain, Product line
Brand, business.industry.companies, Lancaster Italia
Business, freebase.domain_profile.featured_views, Venture Funded Company
Colors, owl#inverseOf, Brand
Joe Satriani, music.guitarist.guitars_played, Ibanez
Business, freebase.domain_profile.featured_views, Endorsed Product
Topic, freebase.type_profile.kind, Portrayal
Parent brand, rdf-schema#domain, Brand
m.0qwg419, dataworld.gardening_hint.last_referenced_by, Ibanez
Business, type.domain.types, Investment Round
Brands with this flavor, rdf-schema#domain, Flavor
Shopping center, type.type.domain, Business
Brand, type.property.expected_type, Brand
m.0b45_vq, common.webpage.topic, Brand
Parent brand, owl#inverseOf, Includes brands
Local Business Rockstar, common.topic.subjects, Brand
Brand, business.industry.companies, venturethree
Brand, owl#inverseOf, Product lines
m.05h9ltb, business.company_brand_relationship.brand, Ibanez
Film, type.domain.types, Film character
Film character, type.type.properties, Portrayed in films (dubbed)
Colors, type.property.schema, Brand
Parent brand, rdf-schema#range, Brand
Topic, freebase.documented_object.documentation, m.0kpqw_
Character, rdf-schema#range, Film character
GoWorx, common.topic.subjects, Brand
Advertised  Brand, rdf-schema#range, Brand
Brand, freebase.type_profile.strict_included_types, Abstract
Brand, base.brand.glossary.definition, Brand positioning
Crossroads, film.film.starring, m.0gcjdqt
Business, freebase.domain_profile.featured_views, m.05c_024
Brand, type.type.properties, Products
Weblink, type.property.schema, Topic
Brand, business.industry.companies, Interbrand
Film character, common.topic.article, m.02_96_z
Business, freebase.domain_profile.featured_views, m.05cz_gp
Includes brands, type.property.master_property, Parent brand
Job title, freebase.type_profile.strict_included_types, Topic
Products, rdf-schema#range, Consumer product
Business, type.domain.owners, Owners of business domain
Slogans, type.property.schema, Brand
Brand, freebase.type_profile.strict_included_types, Non-Agent
Also known as, rdf-schema#domain, Topic
Brand, common.topic.webpage, m.09y415c
Product lines, rdf-schema#domain, Brand
m.0gcjdqt, film.performance.character, Jack Butler
Owner(s), rdf-schema#range, Company-brand relationship
Jack Butler, common.topic.notable_types, Film character
Brand, common.topic.subjects, Decathlon UK
Brand, business.industry.companies, Ziba Design
Jack Butler, film.film_character.portrayed_in_films, m.0gcjdqt
Business, type.domain.types, Company-brand relationship
Brand, rdf-schema#domain, Brand slogan
Fictional Character, freebase.type_profile.kind, Definition
Industry, freebase.type_profile.kind, Definition
Business, type.domain.types, Product ingredient
Brand, common.topic.subject_of, mkbwerkplaats.nl
Brand, rdf-schema#domain, Consumer product
Brand, owl#inverseOf, Products
Brand, common.topic.webpage, m.0b45_vq
Board Member Title, freebase.type_profile.kind, Definition
Brand, type.property.schema, Guitar pickup
Adipex Dispensary, business.business_operation.industry, Brand
Shopping center, freebase.type_hints.included_types, Topic
Business, type.domain.types, Board Member Title
Employer, freebase.type_profile.published, Published
Venture Funded Company, freebase.type_hints.included_types, Topic
Business, type.domain.types, Sponsored Recipient
Ibanez, music.guitar.guitarists, Steve Vai
Brand, type.property.master_property, Colors
Ibanez, music.guitar.guitarists, Gary Moore
Weblink, rdf-schema#domain, Topic
Brands with this flavor, rdf-schema#range, Brand
Business Operation, type.type.domain, Business
Business, type.domain.types, Brand
JEM7DBK, business.consumer_product.brand, Ibanez
Business, freebase.domain_profile.featured_views, Product Theme
Advertised  Brand, rdf-schema#domain, Ad Spot
Business, freebase.domain_profile.featured_views, Issue Type
Brand, type.type.properties, Product lines
Brand, freebase.type_profile.equivalent_topic, Brand
Business, type.domain.types, Product category
Brand, freebase.type_profile.strict_included_types, Topic
Ibanez, business.brand.product_lines, Ibanez JS Series
Business Operation, freebase.type_hints.included_types, Topic
Board Member Title, freebase.type_profile.published, Published
Brand, rdf-schema#domain, Guitar pickup
Brand, type.type.domain, Business
Film character, freebase.type_profile.kind, Portrayal
Brands carried, rdf-schema#range, Brand
Business, common.topic.article, m.01xwjpj
Ibanez, music.guitar.brand, Ibanez JEM
WeWantTraffic, base.web_design.web_design_company.website, WeWantTraffic
Subjects, type.property.schema, Topic
Topic, type.type.properties, Web Link(s)
Topic, type.type.domain, Common
Business, type.domain.types, Exchange-operator relationship
Business, freebase.domain_profile.featured_views, Stem Cell Research Companies
Industry, freebase.type_profile.published, Published
Business, freebase.domain_profile.featured_views, Investment Round
Colors, type.property.reverse_property, Brand
Business, type.domain.types, Venture Investor
Business, type.domain.types, Competitive space mediator
Business, freebase.domain_profile.featured_views, Trade union
Jack Butler, common.topic.notable_for, g.125gpbjcd
Brand, business.industry.companies, Jack Rogers Shoes Handbags
Brands carried, type.property.expected_type, Brand
Brand, business.industry.companies, Moving Brands
Business, freebase.domain_profile.featured_views, m.07vr94g
brand, rdf-schema#range, Brand
Business, type.domain.types, Customer
Ibanez, business.brand.products, JEM7RB
Brand, business.industry.companies, SMART
Venture Funded Company, freebase.type_hints.included_types, Business Operation
Topic, type.type.properties, Subject of
Notable for, type.property.schema, Topic
Business, type.domain.types, Product with ingredients
Brand, business.industry.companies, Wolff Olins
Brand, base.services.web_design_expertise.designers, WeWantTraffic
Brand, type.property.reverse_property, Products
Brand, type.property.schema, Consumer product
Currency, freebase.type_profile.published, Published
Venture Funded Company, freebase.type_profile.published, Published
Owner(s), type.property.expected_type, Company-brand relationship
Consumer product, freebase.type_hints.included_types, Topic
Matt Fiddes, music.guitarist.guitars_played, Ibanez
Business, type.domain.types, Endorsed Product
Subjects, type.property.reverse_property, Subject of
Currency, freebase.type_profile.kind, Definition
Business, freebase.domain_profile.featured_views, Product category
Film character, freebase.type_profile.strict_included_types, Topic
Brand, base.brand.glossary.definition, Brand valuation
Business, freebase.documented_object.documentation, m.01xwjpj
Brand, common.topic.subject_of, Local Business Rockstar
Brand, common.topic.subjects, MCM House
Social media presence, type.property.schema, Topic
Slogans, type.property.expected_type, Brand slogan
Business, type.domain.types, Holding
Brand, business.industry.companies, Bambi a.d.
mkbwerkplaats.nl, organization.organization.sectors, Brand
Fictional Character, freebase.type_profile.strict_included_types, Topic
Business, freebase.equivalent_topic.equivalent_domain, Business
Business, type.domain.types, Brand slogan
Film character, type.type.expected_by, Killed by
Business, freebase.domain_profile.featured_views, Shareholder
Products, type.property.expected_type, Consumer product
Brand, type.type.properties, Includes brands
Brand, common.topic.subject_of, ProPositions Brand Management
Business, freebase.domain_profile.featured_topic, Kiva
Business, type.domain.types, Stock listing
Ibanez, user.avh.default_domain.ellerdale_topic.ellerdale_id, 0099-ad15
Film character, freebase.type_profile.strict_included_types, Fictional Character
Brand, common.topic.notable_types, Industry
Business, type.domain.types, Shopping center owner
Brand, common.topic.article, m.01cdl
Industry, type.type.domain, Business
Business, freebase.domain_profile.featured_views, m.05czzw5
Brand, common.topic.subject_of, A Hundred Monkeys
Brand, base.brand.glossary.definition, Branding
Venture Funded Company, type.type.domain, Business
Ibanez Universe, music.guitar.brand, Ibanez
m.09x_kw2, common.webpage.topic, Brand
Venture Funded Company, freebase.type_profile.strict_included_types, Employer
Official website, type.property.schema, Topic
Brand, base.brand.glossary.definition, Brand values
Consumer product, type.type.properties, Brand
Business, type.domain.types, Consumer product
Brands with this flavor, type.property.expected_type, Brand
Business, freebase.domain_profile.featured_views, Brand
Gary Moore, music.guitarist.guitars_played, Ibanez
Business, freebase.domain_profile.featured_views, Consumer company
JEM7BSB, business.consumer_product.brand, Ibanez
Product lines, type.property.schema, Brand
Job title, type.type.domain, Business
Ibanez, business.brand.owner_s, m.05h9ltb
Business, type.domain.types, Issue
Business, type.domain.types, Trade union
Owner(s), type.property.schema, Brand
Business, type.domain.types, Company-product relationship
Brand, common.topic.notable_for, g.11b75p9k_c
Shopping center, freebase.type_profile.published, Published
Business, freebase.domain_profile.featured_views, Issuer
Brand, business.industry.companies, Pilotfish
Product lines, rdf-schema#range, Product line
GoWorx, common.topic.subject_of, Brand
Business, freebase.domain_profile.featured_views, Product Endorsee
Subjects, type.property.expected_type, Topic
Advertised  Brand, type.property.schema, Ad Spot
Parent brand, type.property.reverse_property, Includes brands
Ibanez, business.brand.products, JEM7DBK
m.05czzt6, common.document.content, m.05czzsz
Brand, type.property.schema, Company-brand relationship
Business, type.domain.types, Stock exchange
Film, freebase.domain_profile.category, Commons
Brand, common.topic.webpage, m.09xpfsh
Steve Vai, music.guitar.guitarists, Ibanez
Business, type.domain.types, Exchange operator
Film character, freebase.type_hints.included_types, Topic
Business, freebase.domain_profile.featured_views, Product Endorser
Brand, type.type.expected_by, Parent brand
Job title, freebase.type_profile.kind, Definition
m.0gcjdqt, film.performance.actor, Steve Vai
Meta, freebase.type_kind.types, Consumer product
Subjects, owl#inverseOf, Subject of
Business, type.domain.types, Employment tenure
Topic, type.type.properties, Description
Business, freebase.domain_profile.featured_views, Advertising slogan
Business, type.domain.types, Product theme
Board Member Title, freebase.type_profile.strict_included_types, Topic
Business, freebase.domain_profile.featured_views, Market Index
Product category, freebase.type_hints.included_types, Topic
Film character, type.type.expected_by, Character using Wham-O product
Topic, type.type.properties, Properties
Brand, base.brand.glossary.definition, Brand experience
Business, type.domain.types, Asset Owner
Brand, type.type.properties, Colors
Brand, common.topic.subject_of, aReputation
Brand, type.property.schema, Competitive space mediator
Slogans, owl#inverseOf, Brand
Consumer product, freebase.type_profile.published, Published
Brand, business.industry.companies, Speirs and Major Associates
Job title, freebase.type_hints.included_types, Topic
Non-Agent, type.type.domain, Type Ontology
Employer, freebase.type_profile.strict_included_types, Topic
Brand, type.type.expected_by, brand
Owner(s), type.property.reverse_property, Brand
m.09w1jjx, common.webpage.topic, Brand
Product category, type.type.domain, Business
Film character, type.type.domain, Film
Slogans, rdf-schema#range, Brand slogan
Colors, rdf-schema#domain, Brand
Film character, freebase.type_profile.published, Published
m.09ybgp3, common.webpage.topic, Brand
Fictional Character, freebase.type_profile.kind, Portrayal
m.09bx6d7, base.ontologies.ontology_instance_mapping.freebase_topic, Brand
Venture Funded Company, freebase.type_profile.strict_included_types, Business Operation
Brand, freebase.type_profile.kind, Definition
Brand, type.type.properties, Owner(s)
Brand, base.brand.glossary.definition, Brand personality
Film character, freebase.type_hints.included_types, Fictional Character
Description, rdf-schema#domain, Topic
Brand, type.property.schema, Brand colors
Brand, rdf-schema#domain, Company-brand relationship
Business, type.domain.types, Product line
Brand, business.industry.companies, Adipex Dispensary
Business, freebase.domain_profile.category, Commons
Adipex Dispensary, common.topic.notable_types, Business Operation
m.09w1lf0, common.webpage.topic, Brand
Brand, type.type.expected_by, Brands with this flavor
Brand, common.topic.subjects, GoWorx
Business, type.domain.types, Shopping center
Brand, rdf-schema#domain, Brand colors
Ibanez, business.brand.products, JEM7BSB
Consumer product, freebase.type_profile.strict_included_types, Topic
Business, freebase.domain_profile.featured_views, Sponsor
Business, type.domain.types, Product Endorser
Brand, base.brand.glossary.definition, Branding agency
Products, type.property.schema, Brand
m.09xpfsh, common.webpage.topic, Brand
Image, rdf-schema#domain, Topic
Business, type.domain.types, Market Index
Business, type.domain.types, Employer
Topic, type.type.properties, Topic equivalent webpage
Brand, rdf-schema#range, Brand
Shopping center, freebase.type_profile.kind, Definition
Product category, freebase.type_profile.strict_included_types, Topic
Brand, type.property.master_property, Slogans
Topic, type.type.properties, Image
Brand, organization.organization_sector.organizations_in_this_sector, A Hundred Monkeys
Business, type.domain.types, Company-product-line relationship
Brand, common.topic.subject_of, GoWorx
Topic, type.type.properties, Notable for
Topic, type.type.properties, Weblink
Business, freebase.domain_profile.featured_views, Currency
Brand, type.type.expected_by, Brand
Business, type.domain.types, Currency
Business, type.domain.types, Issuer
Brand, base.brand.glossary.definition, Brand architecture
Image, type.property.schema, Topic
Steve Vai, film.actor.film, m.0gcjdqt
Business, freebase.domain_profile.featured_views, Industry
Topic, type.type.properties, Social media presence
Topic, common.topic.article, m.0kpqw_
Film character, freebase.type_profile.kind, Annotation
Includes brands, rdf-schema#range, Brand
Business, freebase.domain_profile.featured_views, Job title
Subjects, rdf-schema#domain, Topic
Includes brands, type.property.expected_type, Brand
Business, type.domain.types, Asset Ownership
Currency, freebase.type_profile.strict_included_types, Topic
Colors, type.property.expected_type, Brand colors
Fictional Character, freebase.type_profile.strict_included_types, Abstract
Business, freebase.domain_profile.featured_views, Issue
Consumer product, freebase.type_profile.strict_included_types, Non-Agent
Brand, base.brand.glossary.definition, Brand name
JEM7RB, business.consumer_product.brand, Ibanez
Brand, base.brand.glossary.definition, Brand Manager
Business, freebase.domain_profile.featured_views, Customer
Fictional Character, freebase.type_hints.included_types, Topic
Jack Butler, film.performance.character, m.0gcjdqt
Business, type.domain.types, Market size
brand, rdf-schema#domain, Condiment
Employer, freebase.type_hints.included_types, Topic
Business, type.domain.types, Asset
Business, freebase.domain_profile.featured_views, m.05czz86
m.0gcjdqt, film.performance.actor, Steve Vai
Brand, type.type.expected_by, Advertised  Brand
Topic, type.type.properties, Article
Business, type.domain.types, Competitive Space
Includes brands, type.property.schema, Brand
Employer, type.type.domain, Business
Includes brands, rdf-schema#domain, Brand
Ibanez JEM, music.guitar.brand, Ibanez
Brand, freebase.equivalent_topic.equivalent_type, Brand
Topic, type.type.properties, Official website
Business, freebase.domain_profile.featured_views, m.05c_00z
Business, type.domain.types, Market share
Currency, type.type.domain, Business
Notable types, type.property.schema, Topic
Board Member Title, freebase.type_hints.included_types, Topic
Parent brand, type.property.schema, Brand
Business Operation, freebase.type_profile.kind, Definition
Brand, common.topic.webpage, m.09x_kw2
Description, type.property.schema, Topic
Brand, common.topic.webpage, m.09w1jjx
Shopping center, freebase.type_profile.strict_included_types, Topic
Business, type.domain.types, Industry
Business, type.domain.types, Venture Investment
Brand, business.industry.companies, Siegel + Gale
WeWantTraffic, base.services.web_design_service.expertise, Brand
Venture Funded Company, freebase.type_profile.strict_included_types, Topic
Topic equivalent webpage, rdf-schema#domain, Topic
Character, type.property.reverse_property, Portrayed in films
Currency, freebase.type_hints.included_types, Topic
Topic equivalent webpage, type.property.schema, Topic
Business, type.domain.types, Sponsorship
Business, freebase.domain_profile.category, General
Meta, freebase.type_kind.types, Topic
Slogans, type.property.reverse_property, Brand
Parent brand, type.property.expected_type, Brand
Ibanez AS73, music.guitar.brand, Ibanez
Brand, internet.website_category.sites, Nebulaworks
Business, type.domain.types, Venture Funded Company
Brand, base.brand.glossary.definition, Brand management
mkbwerkplaats.nl, common.topic.subjects, Brand
Abstract, type.type.domain, Type Ontology
Brand, rdf-schema#domain, Competitive space mediator
Business, freebase.domain_profile.featured_views, Producer-product line relationship
Ibanez JS Series, business.product_line.brand, Ibanez
Social media presence, rdf-schema#domain, Topic
Character, type.property.expected_type, Film character
m.09xr0ht, common.webpage.topic, Brand
Brand, base.brand.glossary.definition, Brand identity
Business, type.domain.types, Oil Field
Topic, type.type.properties, Notable types
Products, type.property.master_property, Brand
Subjects, rdf-schema#range, Topic
Business, freebase.domain_profile.equivalent_topic, Business
Film character, type.type.expected_by, Other conquests
Job title, freebase.type_profile.published, Published
Business, type.domain.types, Shareholder
Business, type.domain.types, Consumer company
Business, freebase.domain_profile.featured_views, Employer
Business, type.domain.types, Sponsor
m.09y415c, common.webpage.topic, Brand
Brands with this flavor, type.property.schema, Flavor
Fictional Character, freebase.type_profile.published, Published
Consumer product, freebase.type_profile.kind, Meta
Business, freebase.domain_profile.expert_group, Business Experts
Business, freebase.domain_profile.featured_views, m.05h9s6j
Brand, base.ontologies.ontology_instance.equivalent_instances, m.09bx6d7
Brand, common.topic.webpage, m.09xr0ht
Brand, type.property.schema, Product line
Brand, type.property.schema, Brand slogan
Business, freebase.domain_profile.featured_views, Venture Investor
Brand, type.type.properties, Parent brand
Brand, common.topic.webpage, m.09ybgp3
Character, owl#inverseOf, Portrayed in films
Business, freebase.domain_profile.featured_views, Sponsored Recipient
Products, rdf-schema#domain, Brand
Brand, organization.organization_sector.organizations_in_this_sector, ProPositions Brand Management
Consumer product, type.type.domain, Business
Brand, type.property.reverse_property, Product lines
Brand, common.topic.subjects, ThinkHippo
Fictional Character, freebase.type_profile.strict_included_types, Non-Agent
Brand, freebase.type_hints.included_types, Topic
Topic, type.type.properties, Topical webpage
Industry, freebase.type_profile.strict_included_types, Topic
Brand, type.type.properties, Slogans
Product lines, type.property.expected_type, Product line
Business, type.domain.types, Advertising slogan
Brand, common.topic.webpage, m.09x4_r6
Business, type.domain.types, Open Times
Topic, type.type.properties, Also known as
Business, type.domain.types, Brand colors
Business, freebase.domain_profile.category, Products & Services
Business, type.domain.types, Product Endorsement
Business, type.domain.types, Business Operation
Notable types, rdf-schema#domain, Topic
m.09x4_r6, common.webpage.topic, Brand
Advertised  Brand, type.property.expected_type, Brand
Brand, type.type.expected_by, Includes brands
Business Operation, freebase.type_profile.strict_included_types, Topic
Business, freebase.domain_profile.featured_views, Competitive Space
Film character, type.type.expected_by, Character
Brand, business.industry.companies, Imlek a.d.
Business, freebase.domain_profile.featured_views, Stock exchange
Brand, business.industry.companies, Štark
m.0gcjdqt, film.performance.film, Crossroads
Brand, common.topic.article, m.05czzt6
Product lines, type.property.master_property, Brand
Film character, type.type.properties, Portrayed in films
Brand, organization.organization_sector.organizations_in_this_sector, mkbwerkplaats.nl
Brand, base.brand.glossary.definition, Co-branding
Brand, common.topic.webpage, m.09w1lf0
Brand, organization.organization_sector.organizations_in_this_sector, Jack Rogers Shoes Handbags
Brand, type.type.expected_by, Brands carried
Steve Vai, music.guitarist.guitars_played, Ibanez
brand, type.property.expected_type, Brand
Topic, type.type.properties, Subjects
Adipex Dispensary, business.brand.parent_brand, Adipex Dispensary
Business, type.domain.types, Job title
Industry, freebase.type_hints.included_types, Topic
MCM House, common.topic.subject_of, Brand
Business, freebase.domain_profile.featured_views, Billionaires by Net Worth
Business, type.domain.types, Exchange rate
Topic, freebase.type_profile.kind, Meta
Brands carried, type.property.schema, Retailer
Adipex Dispensary, business.brand.includes_brands, Adipex Dispensary
Ibanez, music.guitar.guitarists, Joe Satriani
Consumer product, type.type.expected_by, Products
Board Member Title, type.type.domain, Business
Ibanez, music.guitar.guitarists, Matt Fiddes
Venture Funded Company, freebase.type_hints.included_types, Employer
Colors, rdf-schema#range, Brand colors
Brand, base.brand.glossary.definition, Brand strategy
Brands carried, rdf-schema#domain, Retailer
Business, type.domain.types, Product Endorsee
Also known as, type.property.schema, Topic
Slogans, rdf-schema#domain, Brand
Topic, freebase.type_profile.published, Published
Owner(s), owl#inverseOf, Brand
Business, type.domain.types, Currency sub-unit
Brand, type.property.master_property, Owner(s)
Notable for, rdf-schema#domain, Topic
brand, type.property.schema, Condiment

Answer: Ibanez