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 insturments were used by the artist who headed the Hello Katy Tour? 
Knowledge Triplets: Hello Katy Tour London, UK Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Boston, MA Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Lisbon, Portugal Concert
Hello Katy Tour, common.topic.webpage, m.05ygtnc
Hello Katy Tour, time.event.includes_event, Hello Katy Tour London, UK Concert
Hello Katy Tour Amsterdam, Netherlands Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Kansas City, MO Concert
Hello Katy Tour Frankfurt, Germany Concert, common.topic.notable_types, Event
Hello Katy Tour Barcelona, Spain Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Las Vegas, NV Concert
Hello Katy Tour Tokyo, Japan Concert, common.topic.webpage, m.05ysphc
Hello Katy Tour, time.event.includes_event, Hello Katy Tour St. Petersburg, FL Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Arras, France Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour London, UK, June 9 - 10, '09 Concert
Hello Katy Tour Esch-sur-Alzette, Luxemburg Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Istanbul, Turkey Concert, common.topic.notable_for, g.125f3f5jl
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Lyon, France Concert
Hello Katy Tour Minneapolis, MN Concert, common.topic.notable_for, g.125bxtbv5
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Frankfurt, Germany Concert
Hello Katy Tour Frankfurt, Germany Concert, common.topic.webpage, m.05yrqzj
Hello Katy Tour Toronto, Canada Concert, common.topic.webpage, m.05yrrrm
Hello Katy Tour, common.topic.notable_for, g.1259l_fm7
Hello Katy Tour Frankfurt, Germany Concert, common.topic.webpage, m.05yrqzq
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Dallas, TX Concert
Hello Katy Tour Tuttlingen, Germany Concert, common.topic.notable_types, Event
Hello Katy Tour Santa Barbara, CA Concert, common.topic.notable_types, Event
Hello Katy Tour Washington, DC Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Tuttlingen, Germany Concert, time.event.locations, Flugplatz Tuttlingen
Hello Katy Tour Brighton, UK Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour San Francisco, CA Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Scheesel, Germany Concert
Hello Katy Tour Arras, France Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Seattle, WA Sept 5, '09 Concert
Hello Katy Tour Seattle, WA Sept 5, '09 Concert, common.topic.notable_for, g.125h4r0gc
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Co. Kildare, Ireland Concert
Hello Katy Tour Boston, MA Concert, common.topic.notable_for, g.1255jhrk9
Hello Katy Tour Kinross, UK Concert, common.topic.article, m.05z1t8g
Hello Katy Tour Lyon, France Concert, time.event.locations, Le Transbordeur
Hello Katy Tour Lyon, France Concert, common.topic.webpage, m.05yv5z4
Hello Katy Tour Toronto, Canada Concert, common.topic.webpage, m.05yrrrt
Hello Katy Tour Barcelona, Spain Concert, time.event.locations, Palau Sant Jordi
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Montreal, Canada Concert
Hello Katy Tour Madrid, Spain Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour London, UK, June 9 - 10, '09 Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Osaka, Japan Concert, time.event.locations, Club Quattro
Hello Katy Tour Nagoya, Japan Concert, common.topic.notable_for, g.1258xkpst
Hello Katy Tour, time.event.includes_event, Hello Katy Tour New York, NY Apr 6, '09 Concert
Hello Katy Tour Paris, France, June 16, '09 Concert, common.topic.webpage, m.05yv5th
Hello Katy Tour Munich, Germany Concert, common.topic.notable_types, Event
Hello Katy Tour Los Angeles, CA Concert, common.topic.notable_for, g.1257vp2pp
Hello Katy Tour North Myrtle Beach, SC Concert, common.topic.notable_for, g.125fftj8x
Hello Katy Tour Brighton, UK Concert, common.topic.notable_types, Event
Hello Katy Tour London, UK Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Manchester, UK Concert, common.topic.webpage, m.05yrqg6
Hello Katy Tour Milan, Italy Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Dallas, TX Concert, common.topic.notable_for, g.1255jzd2g
Hello Katy Tour Paris, France, June 16, '09 Concert, common.topic.notable_for, g.125d32077
Hello Katy Tour, time.event.includes_event, Hello Katy Tour New York, NY July 28, '09 Concert
Hello Katy Tour Esch-sur-Alzette, Luxemburg Concert, common.topic.webpage, m.05yv7pz
Hello Katy Tour Lisbon, Portugal Concert, time.event.locations, Campo Pequeno bullring
Hello Katy Tour Stockholm, Sweden Concert, common.topic.webpage, m.05yrqb0
Hello Katy Tour Frankfurt, Germany Concert, common.topic.notable_for, g.1257xh_h5
Hello Katy Tour Copenhagen, Denmark Concert, common.topic.notable_for, g.125h6qhn9
Hello Katy Tour Irvine, CA Concert, common.topic.notable_for, g.125g34thn
Hello Katy Tour Toronto, Canada Concert, common.topic.notable_types, Event
Hello Katy Tour Istanbul, Turkey Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Glasgow, UK Concert, common.topic.webpage, m.05yv5b7
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Chelmsford, UK Concert
Hello Katy Tour, music.concert_tour.album_or_release_supporting, One of the Boys
Hello Katy Tour Brussels, Belgium Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Munich, Germany Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Istanbul, Turkey Concert
Hello Katy Tour Nashville, TN Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Zurich, Switzerland Concert, common.topic.notable_for, g.1257s22fc
Hello Katy Tour Amsterdam, Netherlands Concert, common.topic.notable_for, g.1256h0m3h
Hello Katy Tour Tuttlingen, Germany Concert, common.topic.notable_for, g.12552sxh4
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Landgraaf, Natherlands Concert
Hello Katy Tour, common.topic.article, m.05f95tc
Hello Katy Tour Manchester, UK Concert, common.topic.notable_for, g.1257kpmcl
Hello Katy Tour Crans-près-Céligny, Switzerland Concert, common.topic.notable_for, g.125dz74w5
Hello Katy Tour Barcelona, Spain Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Seattle, WA Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Portland, OR Concert
Hello Katy Tour Milan, Italy Concert, common.topic.notable_types, Event
Hello Katy Tour Brussels, Belgium Concert, common.topic.notable_types, Event
Hello Katy Tour Kinross, UK Concert, common.topic.notable_for, g.12554lw_b
Hello Katy Tour Barcelona, Spain Concert, common.topic.notable_for, g.1256y23z6
Hello Katy Tour Kinross, UK Concert, common.topic.webpage, m.05yv804
Hello Katy Tour Tokyo, Japan Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Copenhagen, Denmark Concert
Hello Katy Tour, common.topic.notable_types, Concert tour
Hello Katy Tour San Francisco, CA Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Brussels, Belgium Concert, common.topic.webpage, m.05yrr0x
Hello Katy Tour, Molson Ampitheatre, Toronto, Canada Concert, common.topic.webpage, m.05z1thq
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Memphis, TN Concert
Hello Katy Tour Copenhagen, Denmark Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Paris, France, March 02, '09 Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Seattle, WA Concert, common.topic.notable_for, g.125ft34fw
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Toronto, Canada Concert
Hello Katy Tour Esch-sur-Alzette, Luxemburg Concert, common.topic.notable_for, g.125fs5k88
Hello Katy Tour Washington, DC Concert, common.topic.notable_types, Event
Hello Katy Tour London, UK Concert, common.topic.webpage, m.05yrqhh
Hello Katy Tour Salt Lake City, UT Concert, common.topic.notable_types, Event
Hello Katy Tour Moscow, Russia Concert, common.topic.notable_types, Event
Hello Katy Tour Copenhagen, Denmark Concert, common.topic.webpage, m.05yrqct
Hello Katy Tour, time.event.locations, Europe
Hello Katy Tour Montreal, Canada Concert, common.topic.notable_for, g.1256x542j
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Moscow, Russia Concert
Hello Katy Tour Paris, France, June 16, '09 Concert, common.topic.notable_types, Event
Hello Katy Tour Santa Barbara, CA Concert, common.topic.notable_for, g.125f8s265
Hello Katy Tour Kinross, UK Concert, common.topic.webpage, m.05yv80b
Hello Katy Tour Madrid, Spain Concert, common.topic.notable_for, g.125c0gjt9
Hello Katy Tour San Diego, CA Concert, common.topic.notable_types, Event
Hello Katy Tour Landgraaf, Natherlands Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Scheesel, Germany Concert, common.topic.notable_for, g.125dcz48k
Olympia Bruno Coquatrix, location.location.events, Hello Katy Tour Paris, France, June 16, '09 Concert
Hello Katy Tour Madrid, Spain Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Cologne, Germany Concert
Hello Katy Tour Hamburg, Germany Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour, time.event.locations, Asia
Hello Katy Tour Arras, France Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Arras, France Concert, common.topic.webpage, m.05yv7ls
Hello Katy Tour, Molson Ampitheatre, Toronto, Canada Concert, time.event.locations, Molson Canadian Amphitheatre
Hello Katy Tour Cologne, Germany Concert, common.topic.webpage, m.05yv6tq
Hello Katy Tour Amsterdam, Netherlands Concert, common.topic.webpage, m.05yrqm6
Hello Katy Tour Amsterdam, Netherlands Concert, common.topic.webpage, m.05yrqm0
Hello Katy Tour Istanbul, Turkey Concert, common.topic.webpage, m.05yv7w3
Hello Katy Tour London, UK, June 9 - 10, '09 Concert, common.topic.notable_for, g.1255xldd_
Hello Katy Tour Paris, France, June 16, '09 Concert, time.event.locations, Olympia Bruno Coquatrix
Hello Katy Tour Paris, France, March 02, '09 Concert, common.topic.webpage, m.05yrqmk
Hello Katy Tour Nagoya, Japan Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Tuttlingen, Germany Concert, common.topic.article, m.05z1s9q
Hello Katy Tour Los Angeles, CA Concert, time.event.locations, Pellissier Building and Wiltern Theatre
Hello Katy Tour Kinross, UK Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Washington, DC Concert
Hello Katy Tour London, UK, June 9 - 10, '09 Concert, common.topic.webpage, m.05yv5hg
Hello Katy Tour, music.concert_tour.artist, Katy Perry
Hello Katy Tour Manchester, UK Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Lisbon, Portugal Concert, common.topic.notable_types, Event
Hello Katy Tour Werchter, Belgium Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Fort Lauderdale, FL Concert
Hello Katy Tour Copenhagen, Denmark Concert, time.event.locations, K.B. Hallen
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Munich, Germany Concert
Hello Katy Tour Co. Kildare, Ireland Concert, common.topic.notable_for, g.125735fxl
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Osaka, Japan Concert
Hello Katy Tour Las Vegas, NV Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Atlanta, GA Concert, common.topic.notable_types, Event
Hello Katy Tour Amsterdam, Netherlands Concert, time.event.locations, Melkweg
Hello Katy Tour Vancouver, Canada Concert, common.topic.notable_for, g.125dk83lr
Hello Katy Tour Chelmsford, UK Concert, common.topic.notable_types, Event
Hello Katy Tour New York, NY July 28, '09 Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Moscow, Russia Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Glasgow, UK Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Tucson, AZ Concert
Hello Katy Tour Glasgow, UK Concert, common.topic.webpage, m.05yv5b1
Hello Katy Tour Osaka, Japan Concert, common.topic.notable_types, Event
Hello Katy Tour Newcastle, UK Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Barcelona, Spain Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Detroit, MI Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Birmingham, AL Concert
Hello Katy Tour Portland, OR Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour San Francisco, CA Concert, common.topic.webpage, m.05yrpzm
Hello Katy Tour Istanbul, Turkey Concert, common.topic.notable_types, Event
Hello Katy Tour Landgraaf, Natherlands Concert, common.topic.notable_for, g.12571zcwf
Hello Katy Tour Birmingham, UK Concert, common.topic.notable_for, g.125fhspnj
Hello Katy Tour Hamburg, Germany Concert, common.topic.notable_types, Event
Hello Katy Tour Crans-près-Céligny, Switzerland Concert, common.topic.notable_types, Event
Hello Katy Tour London, UK Concert, common.topic.webpage, m.05yrqh9
Hello Katy Tour Las Vegas, NV Concert, common.topic.notable_for, g.125fhs_c6
Hello Katy Tour New York, NY Apr 6, '09 Concert, common.topic.notable_for, g.125f263g5
Hello Katy Tour, Molson Ampitheatre, Toronto, Canada Concert, common.topic.notable_types, Event
Hello Katy Tour Brussels, Belgium Concert, common.topic.notable_for, g.125g6j6_c
Hello Katy Tour Werchter, Belgium Concert, common.topic.article, m.05z1t6d
One of the Boys, music.album.supporting_tours, Hello Katy Tour
Hello Katy Tour Manchester, UK Concert, common.topic.webpage, m.05yrqgd
Hello Katy Tour Kinross, UK Concert, time.event.locations, Balado
Hello Katy Tour Lisbon, Portugal Concert, common.topic.notable_for, g.1255zqg83
Hello Katy Tour Los Angeles, CA Concert, common.topic.notable_types, Event
Hello Katy Tour Portland, OR Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Santa Barbara, CA Concert
Hello Katy Tour Nashville, TN Concert, common.topic.notable_types, Event
Hello Katy Tour Hamburg, Germany Concert, common.topic.notable_for, g.125bxt139
Hello Katy Tour Osaka, Japan Concert, common.topic.notable_for, g.12571h3lp
Hello Katy Tour Paris, France, June 16, '09 Concert, common.topic.webpage, m.05yv5t9
Hello Katy Tour Staffordshire, UK Concert, common.topic.notable_types, Event
Hello Katy Tour Chelmsford, UK Concert, common.topic.notable_for, g.125fq6cpx
Hello Katy Tour Salt Lake City, UT Concert, common.topic.notable_for, g.125cdp4yy
Hello Katy Tour Werchter, Belgium Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Paris, France, June 16, '09 Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Moscow, Russia Concert, common.topic.webpage, m.05yv52n
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Los Angeles, CA Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Hamburg, Germany Concert
Hello Katy Tour Frankfurt, Germany Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Birmingham, UK Concert, common.topic.notable_types, Event
Hello Katy Tour Paris, France, March 02, '09 Concert, time.event.locations, Élysée Montmartre
Hello Katy Tour Houston, TX Concert, common.topic.notable_for, g.125fs5k89
Hello Katy Tour Glasgow, UK Concert, time.event.locations, Barrowland Ballroom
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Brussels, Belgium Concert
Hello Katy Tour Zurich, Switzerland Concert, common.topic.notable_types, Event
Hello Katy Tour New York, NY July 28, '09 Concert, common.topic.notable_types, Event
Hello Katy Tour Moscow, Russia Concert, common.topic.notable_for, g.12591f0jd
Hello Katy Tour New York, NY July 28, '09 Concert, time.event.locations, Hammerstein Ballroom
Hello Katy Tour London, UK Concert, common.topic.notable_for, g.125bvnpw_
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Crans-près-Céligny, Switzerland Concert
Hello Katy Tour Cologne, Germany Concert, common.topic.webpage, m.05yv6tx
Hello Katy Tour Crans-près-Céligny, Switzerland Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Paris, France, March 02, '09 Concert, common.topic.webpage, m.05yrqmr
Hello Katy Tour Toronto, Canada Concert, common.topic.notable_for, g.12585jczx
Hello Katy Tour Portland, OR Concert, common.topic.notable_for, g.1257jm3rk
Hello Katy Tour San Francisco, CA Concert, common.topic.notable_for, g.125h3j8c3
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Minneapolis, MN Concert
Hello Katy Tour Milan, Italy Concert, common.topic.webpage, m.05yv725
Hello Katy Tour London, UK, June 9 - 10, '09 Concert, common.topic.webpage, m.05yv5h8
Hello Katy Tour New York, NY July 28, '09 Concert, common.topic.notable_for, g.125cqrr6h
Hello Katy Tour Scheesel, Germany Concert, common.topic.notable_types, Event
Hello Katy Tour Munich, Germany Concert, common.topic.notable_for, g.12594n547
Hello Katy Tour Seattle, WA Concert, common.topic.notable_types, Event
Hello Katy Tour Stockholm, Sweden Concert, common.topic.notable_for, g.1257kp9nq
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Kinross, UK Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour San Diego, CA Concert
Hello Katy Tour Werchter, Belgium Concert, common.topic.notable_for, g.125ft34fx
Hello Katy Tour Lyon, France Concert, common.topic.notable_for, g.125977h5k
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Stockholm, Sweden Concert
Hello Katy Tour Dallas, TX Concert, common.topic.notable_types, Event
Hello Katy Tour Copenhagen, Denmark Concert, common.topic.webpage, m.05yrqcm
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Nashville, TN Concert
Hello Katy Tour Lyon, France Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Esch-sur-Alzette, Luxemburg Concert, time.event.locations, Rockhal
Hello Katy Tour Philadelphia, PA Concert, common.topic.notable_for, g.125bpgp5b
Hello Katy Tour Kinross, UK Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Toronto, Canada Concert, time.event.locations, The Guvernment
Hello Katy Tour Washington, DC Concert, common.topic.webpage, m.05yrs2v
Hello Katy Tour Paris, France, March 02, '09 Concert, common.topic.notable_for, g.1254xnzrl
Hello Katy Tour Istanbul, Turkey Concert, common.topic.webpage, m.05yv7vy
Hello Katy Tour Cologne, Germany Concert, time.event.locations, Palladium Cologne
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Staffordshire, UK Concert
Hello Katy Tour Staffordshire, UK Concert, common.topic.article, m.05z1tqy
Hello Katy Tour New York, NY July 28, '09 Concert, common.topic.webpage, m.05yv8qn
m.05yrqmr, common.webpage.topic, Hello Katy Tour Paris, France, March 02, '09 Concert
Hello Katy Tour Houston, TX Concert, common.topic.notable_types, Event
Hello Katy Tour Montreal, Canada Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.locations, North America
Hello Katy Tour, Molson Ampitheatre, Toronto, Canada Concert, common.topic.webpage, m.05z1thj
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Esch-sur-Alzette, Luxemburg Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Salt Lake City, UT Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Cleveland, OH Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Philadelphia, PA Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Glasgow, UK Concert
Hello Katy Tour Brussels, Belgium Concert, common.topic.webpage, m.05yrr0q
Hello Katy Tour Milan, Italy Concert, time.event.locations, Idroscalo
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Newcastle, UK Concert
Hello Katy Tour Tokyo, Japan Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Tokyo, Japan Concert
Hello Katy Tour Crans-près-Céligny, Switzerland Concert, common.topic.article, m.05z1ryj
Hello Katy Tour New York, NY Apr 6, '09 Concert, common.topic.webpage, m.05yrs2b
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Werchter, Belgium Concert
Hello Katy Tour Las Vegas, NV Concert, common.topic.notable_types, Event
Hello Katy Tour Nibe, Denmark Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Vancouver, Canada Concert
Hello Katy Tour Lisbon, Portugal Concert, common.topic.webpage, m.05yv78l
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Madrid, Spain Concert
Hello Katy Tour Lisbon, Portugal Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Nagoya, Japan Concert, common.topic.webpage, m.05yspds
Hello Katy Tour Stockholm, Sweden Concert, common.topic.webpage, m.05yrqb6
Hello Katy Tour Tuttlingen, Germany Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Manchester, UK Concert, common.topic.notable_types, Event
Hello Katy Tour, Molson Ampitheatre, Toronto, Canada Concert, common.topic.notable_for, g.125gmn4bf
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Manchester, UK Concert
Hello Katy Tour Madrid, Spain Concert, common.topic.article, m.05z1t4y
Hello Katy Tour Moscow, Russia Concert, common.topic.webpage, m.05yv52v
Hello Katy Tour Madrid, Spain Concert, time.event.locations, Palacio de Deportes de la Comunidad de Madrid
Hello Katy Tour Landgraaf, Natherlands Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Irvine, CA Concert
Hello Katy Tour Montreal, Canada Concert, common.topic.webpage, m.05yrrtd
Hello Katy Tour Cologne, Germany Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Paris, France, March 02, '09 Concert
Hello Katy Tour Washington, DC Concert, common.topic.webpage, m.05yrs30
Hello Katy Tour Tokyo, Japan Concert, time.event.locations, Shibuya Duo
Hello Katy Tour New York, NY Apr 6, '09 Concert, common.topic.webpage, m.05yrs2j
Hello Katy Tour Washington, DC Concert, common.topic.notable_for, g.125g_px8t
Hello Katy Tour New York, NY Apr 6, '09 Concert, common.topic.notable_types, Event
Hello Katy Tour San Diego, CA Concert, common.topic.notable_for, g.1255wtpds
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Milan, Italy Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Nibe, Denmark Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour North Myrtle Beach, SC Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour San Francisco, CA Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Sacramento, CA Concert
Hello Katy Tour Nagoya, Japan Concert, common.topic.webpage, m.05yspdl
Hello Katy Tour Osaka, Japan Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Manchester, UK Concert, time.event.locations, Manchester Academy
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Zurich, Switzerland Concert
Hello Katy Tour Istanbul, Turkey Concert, time.event.locations, True Blue Fenerbahçe
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Chicago, IL Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Atlanta, GA Concert
Hello Katy Tour Copenhagen, Denmark Concert, common.topic.notable_types, Event
Hello Katy Tour Nagoya, Japan Concert, common.topic.notable_types, Event
Hello Katy Tour New York, NY July 28, '09 Concert, common.topic.webpage, m.05yv8qv
Hello Katy Tour, Molson Ampitheatre, Toronto, Canada Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Tuttlingen, Germany Concert
Hello Katy Tour Glasgow, UK Concert, common.topic.notable_for, g.125dcmg8r
Hello Katy Tour Lyon, France Concert, common.topic.webpage, m.05yv5yz
Hello Katy Tour Newcastle, UK Concert, common.topic.notable_for, g.125f53hl3
Hello Katy Tour Lyon, France Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Paris, France, June 16, '09 Concert
Hello Katy Tour Atlanta, GA Concert, common.topic.notable_for, g.12556xr7h
Hello Katy Tour Osaka, Japan Concert, common.topic.webpage, m.05ysp9y
Hello Katy Tour Fort Lauderdale, FL Concert, common.topic.notable_for, g.1258513nr
Hello Katy Tour London, UK, June 9 - 10, '09 Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour, Molson Ampitheatre, Toronto, Canada Concert
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Nagoya, Japan Concert
Hello Katy Tour Co. Kildare, Ireland Concert, common.topic.notable_types, Event
Hello Katy Tour Tokyo, Japan Concert, common.topic.notable_for, g.125ckpplt
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Birmingham, UK Concert
Hello Katy Tour Esch-sur-Alzette, Luxemburg Concert, common.topic.notable_types, Event
Hello Katy Tour Glasgow, UK Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Stockholm, Sweden Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Brighton, UK Concert
Hello Katy Tour Lisbon, Portugal Concert, common.topic.webpage, m.05yv78d
Hello Katy Tour Brussels, Belgium Concert, time.event.locations, Ancienne Belgique
Hello Katy Tour Arras, France Concert, common.topic.webpage, m.05yv7ll
Hello Katy Tour Amsterdam, Netherlands Concert, common.topic.notable_types, Event
Hello Katy Tour Tokyo, Japan Concert, common.topic.webpage, m.05ysphk
Katy Perry, music.artist.concert_tours, Hello Katy Tour
Hello Katy Tour Moscow, Russia Concert, time.event.locations, Olympic Stadium
Hello Katy Tour Memphis, TN Concert, common.topic.notable_for, g.125dsx833
Hello Katy Tour Paris, France, March 02, '09 Concert, common.topic.notable_types, Event
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Houston, TX Concert
Hello Katy Tour Stockholm, Sweden Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Arras, France Concert, common.topic.notable_for, g.125b9r9m6
Hello Katy Tour Cologne, Germany Concert, common.topic.notable_for, g.125d_9bnl
The Guvernment, location.location.events, Hello Katy Tour Toronto, Canada Concert
Hello Katy Tour Brighton, UK Concert, common.topic.notable_for, g.125bk67v2
Hello Katy Tour Staffordshire, UK Concert, common.topic.notable_for, g.1255jhrkb
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Amsterdam, Netherlands Concert
Hello Katy Tour Nashville, TN Concert, common.topic.notable_for, g.1255fs4qy
Hello Katy Tour Portland, OR Concert, time.event.locations, Crystal Ballroom
Hello Katy Tour Birmingham, AL Concert, common.topic.notable_for, g.1259rkb7p
Hello Katy Tour Arras, France Concert, common.topic.article, m.05z1t7b
Hello Katy Tour Las Vegas, NV Concert, time.event.locations, Wasted Space
Hello Katy Tour Chicago, IL Concert, common.topic.notable_for, g.125h7b0nw
Hello Katy Tour San Francisco, CA Concert, common.topic.webpage, m.05yrpzt
Hello Katy Tour London, UK, June 9 - 10, '09 Concert, time.event.locations, Shepherd's Bush Empire
Hello Katy Tour Nibe, Denmark Concert, common.topic.notable_for, g.125bn86s4
Hello Katy Tour New York, NY Apr 6, '09 Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour, time.event.includes_event, Hello Katy Tour Tempe, AZ Concert
Hello Katy Tour Zurich, Switzerland Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour New York, NY Apr 6, '09 Concert, time.event.locations, Irving Plaza
Hello Katy Tour, time.event.locations, Australia
Hello Katy Tour Cologne, Germany Concert, time.event.included_in_event, Hello Katy Tour
Hello Katy Tour Milan, Italy Concert, common.topic.notable_for, g.125fs5k8b
Shibuya Duo, location.location.events, Hello Katy Tour Tokyo, Japan Concert

Answer: Vocals