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 kinds of amusement rides can be found in galaxyland? 
Knowledge Triplets: Ferris wheel, amusement_parks.ride_type.rides, Balloon Race
Galaxyland, amusement_parks.ride.park, Mindbender
Galaxyland, location.location.containedby, West Edmonton Mall
Werner Stengel, amusement_parks.ride_designer.rides, Mindbender
Anton Schwarzkopf, amusement_parks.ride_manufacturer.rides, Mindbender
Galaxyland, amusement_parks.ride.park, TurboRide Theatre
Roller coaster, amusement_parks.ride_type.rides, Mindbender
Steel, amusement_parks.roller_coaster_material.roller_coasters, Galaxy Orbiter
Galaxy Orbiter, amusement_parks.ride.capacity, 500
Autosled, amusement_parks.ride.park, Galaxyland
Mindbender, amusement_parks.ride.capacity, 430
Simulator ride, amusement_parks.ride_type.rides, TurboRide Theatre
Edmonton, location.location.contains, Galaxyland
Galaxyland, amusement_parks.ride.park, Balloon Race
Mountain Time Zone, time.time_zone.locations_in_this_time_zone, Galaxyland
Mindbender, amusement_parks.roller_coaster.propulsion, Lift hill
TurboRide Theatre, amusement_parks.ride.park, Galaxyland
Galaxyland, amusement_parks.park.rides, Balloon Race
Mindbender, amusement_parks.roller_coaster.material, Steel
Mindbender, amusement_parks.ride.designer, Werner Stengel
Roller coaster, amusement_parks.ride_type.rides, Autosled
Galaxyland, amusement_parks.park.rides, Galaxy Orbiter
Gerstlauer, amusement_parks.ride_manufacturer.rides, Galaxy Orbiter
Mindbender, amusement_parks.ride.manufacturer, Anton Schwarzkopf
Mindbender, amusement_parks.ride.opened, 1986-03-16
West Edmonton Mall, location.location.contains, Galaxyland
Mindbender, amusement_parks.ride.ride_type, Roller coaster
Galaxy Orbiter, amusement_parks.roller_coaster.track_length, 455.1
Mindbender, amusement_parks.ride.park, Galaxyland
Galaxyland, amusement_parks.park.opened, 1985
Autosled, amusement_parks.ride.ride_type, Roller coaster
Galaxy Orbiter, amusement_parks.ride.duration, 77.0
Galaxy Orbiter, amusement_parks.ride.park, Galaxyland
Galaxy Orbiter, amusement_parks.roller_coaster.material, Steel
Galaxyland, amusement_parks.park.rides, Mindbender
Mindbender, amusement_parks.ride.drop, 38.7096
Mindbender, amusement_parks.ride_type.rides, Roller coaster
Balloon Race, amusement_parks.ride.ride_type, Ferris wheel
Galaxy Orbiter, amusement_parks.roller_coaster.propulsion, Lift hill
Galaxy Orbiter, amusement_parks.ride.designer, Werner Stengel
Galaxyland, location.location.geolocation, m.02_s96_
Mindbender, amusement_parks.roller_coaster.track_length, 1279.5504
Mindbender, amusement_parks.roller_coaster.rcdb_id, 193
Galaxyland, location.location.time_zones, Mountain Time Zone
Galaxyland, location.location.containedby, Edmonton
Galaxyland, location.location.area, 0.03716
Galaxyland, amusement_parks.park.rides, Autosled
Mindbender, amusement_parks.ride.max_g, 5.5
Edmonton, travel.travel_destination.tourist_attractions, Galaxyland
Mindbender, amusement_parks.ride.inversions, 3
Galaxy Orbiter, amusement_parks.ride.inversions, 0
Galaxy Orbiter, amusement_parks.ride.opened, 2007-07-17
Werner Stengel, amusement_parks.ride_designer.rides, Galaxy Orbiter
Galaxyland, travel.tourist_attraction.near_travel_destination, Edmonton
Galaxyland, amusement_parks.park.rides, TurboRide Theatre
Mindbender, amusement_parks.ride.height, 44.196
Galaxyland Express, amusement_parks.ride.park, Galaxyland
Galaxyland, amusement_parks.park.rides, Galaxyland Express
Galaxy Orbiter, amusement_parks.ride.height, 13.7
TurboRide Theatre, amusement_parks.ride.ride_type, Simulator ride
Galaxy Orbiter, amusement_parks.roller_coaster.rcdb_id, 3829
Mindbender, amusement_parks.ride.duration, 73.0
Galaxy Orbiter, amusement_parks.ride.manufacturer, Gerstlauer
Steel, amusement_parks.roller_coaster_material.roller_coasters, Mindbender
Balloon Race, amusement_parks.ride.park, Galaxyland

Answer: Roller coaster
Ferris wheel
Simulator ride