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: Find the producer of 4 My N.I.G.G.A.Z, what book did this person write? 
Knowledge Triplets: Consumer product, type.type.expected_by, HVAC Parts
Meta, freebase.type_kind.types, Consumer product
Consumer product, type.type.expected_by, Consumer product
Products, rdf-schema#range, Consumer product
Consumer product, type.type.expected_by, Products using
Products, type.property.expected_type, Consumer product
Consumer product, type.type.properties, Amazon.com ASIN
Consumer product, type.type.properties, Themes
Brand, owl#inverseOf, Products
Consumer product, freebase.type_profile.strict_included_types, Inanimate
Strictly 4 My N.I.G.G.A.Z..., common.topic.notable_types, Consumer product
Consumer product, type.type.properties, Official webpage
Consumer product, type.type.properties, GTIN
Consumer product, type.type.properties, Made by company
Brand, type.property.schema, Consumer product
Topic, freebase.type_profile.published, Published
Consumer product, freebase.type_profile.equivalent_topic, Consumer product
Brand, type.property.reverse_property, Products
Consumer product, type.type.properties, MSRP
Consumer product, type.type.properties, Category
Products, type.property.master_property, Brand
Topic, freebase.type_profile.kind, Meta
Consumer product, freebase.type_hints.included_types, Topic
Consumer product, freebase.type_profile.kind, Meta
Consumer product, type.type.properties, Brand
Consumer product, common.topic.article, m.05h9s36
Consumer product, type.type.expected_by, Other Compatible Products
Consumer product, freebase.type_profile.strict_included_types, Topic
Consumer product, type.type.properties, External reviews
Consumer product, type.type.properties, Product number
Consumer product, type.type.expected_by, owns a product
Consumer product, type.type.expected_by, Products Included
Business, type.domain.types, Consumer product
Consumer product, type.type.domain, Business
Consumer product, freebase.type_profile.strict_included_types, Physically Instantiable
Consumer product, freebase.type_profile.published, Published
Strictly 4 My N.I.G.G.A.Z..., common.topic.notable_for, g.125dcmb5t
Meta, freebase.type_kind.types, Topic
Consumer product, freebase.type_profile.strict_included_types, Non-Agent
Consumer product, type.type.properties, Purchase links
Brand, rdf-schema#domain, Consumer product
Consumer product, type.type.properties, Product line
Consumer product, freebase.equivalent_topic.equivalent_type, Consumer product
Consumer product, type.type.expected_by, Products
Consumer product, type.type.expected_by, Product

Answer: The Rose That Grew from Concrete
The rose that grew from concrete
Tupac
Tupac
Tupac