Simple categories matching plus:

• waterbird,
• wildfowl,
• event,
• ride,
• instrument,

Members with property plus:

• cultural_explosion,
• carousel,
• duck,
• golf_outing,
• european_championship,
• power,
• brent_goose,
• pop_idol,
• election,
• circus,
• graduation,
• mascot_game,
• acoustic_music,
• flute,
• teen_splash,
• concert,
• retirement_party,
• art_auction,
• carnival,
• shower,
• ice_carving,