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: the shizen japanese restaurant is located in which hotel? 
Knowledge Triplets: JW Marriott Las Vegas, travel.accommodation.price_range, High end
McCarran International Airport, aviation.airport.serves, JW Marriott Las Vegas
JW Marriott Las Vegas, architecture.structure.architectural_style, Tuscan order
m.076d94, dataworld.gardening_hint.replaced_by, JW Marriott Las Vegas
JW Marriott Las Vegas, base.casinos.casino.owner, Millennium Management Group
JW Marriott Hotels, travel.hotel_brand.hotels_in_this_brand, JW Marriott Las Vegas
Hotel, travel.accommodation_type.accommodation_of_this_type, JW Marriott Las Vegas
JW Marriott Las Vegas, travel.hotel.restaurants_in_hotel, J.C. Wooloughan Irish Pub
JW Marriott Las Vegas, travel.hotel.restaurants_in_hotel, Shizen Japanese Restaurant
JW Marriott Las Vegas, base.casinos.casino.opened, 1999-07
JW Marriott Las Vegas, travel.hotel.operated_by, Marriott International
High end, travel.accommodation_price_range.accommodation_in_this_range, JW Marriott Las Vegas
Resort, travel.accommodation_type.accommodation_of_this_type, JW Marriott Las Vegas
JW Marriott Las Vegas, architecture.structure.opened, 1999-06
m.010r3yp2, location.mailing_address.postal_code, 89145
JW Marriott Las Vegas, travel.hotel.operating_brand, JW Marriott Hotels
Marriott International, travel.hotel_operator.hotels_operated, JW Marriott Las Vegas
Tuscan order, architecture.architectural_style.examples, JW Marriott Las Vegas
m.010r3yp2, location.mailing_address.state_province_region, Nevada
JW Marriott Las Vegas, travel.accommodation.accommodation_type, Resort
JW Marriott Las Vegas, location.location.street_address, m.0m_0k2f
m.010r3yp2, location.mailing_address.citytown, Las Vegas
m.0h62fvk, dataworld.gardening_hint.last_referenced_by, JW Marriott Las Vegas
JW Marriott Las Vegas, base.casinos.casino.rooms, 536
Shizen Japanese Restaurant, travel.hotel.restaurants_in_hotel, JW Marriott Las Vegas
JW Marriott Las Vegas, travel.hotel.restaurants_in_hotel, Spiedini Ristorante
JW Marriott Las Vegas, location.location.nearby_airports, McCarran International Airport
m.010r3yp2, location.mailing_address.country, United States of America
JW Marriott Las Vegas, travel.accommodation.accommodation_type, Hotel
JW Marriott Las Vegas, location.location.containedby, Las Vegas
JW Marriott Las Vegas, location.location.geolocation, m.0wmf3c2
Shizen Japanese Restaurant, business.business_location.address, m.010r3yp2
Las Vegas, location.location.contains, JW Marriott Las Vegas
Millennium Management Group, base.casinos.casino_owner.casinos_owned, JW Marriott Las Vegas
m.010r3yp2, location.mailing_address.street_address, 221 N Rampart Blvd
JW Marriott Las Vegas, travel.hotel.restaurants_in_hotel, Ceres

Answer: JW Marriott Las Vegas