Simple categories matching involved:

• activity,
• structure,
• process,
• object,
• procedure,
• tissue,
• person,
• surgery,

Members with property involved:

• men_back,
• brainstorming_sessions,
• dental_procedure,
• theater,
• self_interview,
• design,
• facelift,
• valve_operation,
• radiation,
• word_scramble,
• diaphragm,
• amygdala,
• equipment_setup,
• hemodialysis,
• valve_repair,
• informal_interview,
• pipeline_repair,
• ultrasound_imaging,
• presenting_lecture,
• jeep_safari,
• machinery_shed,
• cloning,
• circumferential_abdominoplasty,
• advertising,
• pot,
• chess,
• oral_surgery,
• tummy-tuck_abdominoplasty,
• pool,
• underage_drinking,
• football,
• technology,
• liposuction,
• vein,
• detailed_planning,
• dismantling,
• work_order,
• fusion,
• canteen_visit,
• security,
• drainage,
• personnel_director,
• juvenile_justice,
• nature_hike,
• coronary-artery_surgery,
• vertebral_body,
• door_assembly,
• cuneiform_osteotomy,
• game,
• reading,
• dominoes,
• hand,
• wound_treatment,
• feedback_sessions,
• rib,
• supervisor,
• kernel_testing,
• craft,
• botox_injection,
• illegal_connection,
• child_protection,
• archery,
• competition,
• debate,
• video_analysis,
• wedding,
• surgery,
• recycling,
• reading_proclamation,
• singing,
• bypass_surgery,
• artery,
• skin,
• email_generation,
• vessel,
• golf,
• bladder,
• disposal,
• histological_preparation,
• membership,
• surfing,
• barn,
• service_request,
• markov_partition,
• brainstorming,
• light_treatment,
• backpacking,
• information_transfer,
• set,
• pericardium,
• angioplasty,
• decontamination,
• replication,
• abdominoplasty,
• gene_therapy,
• endoscopy,