Modifiers matching challenge:

• local,
• global,
• internal,
• healthy,
• societal,
• behavioral,
• environmental,
• several,
• political,
• technical,
• technological,
• unexpected,
• social,
• major,
• severe,
• individual,
• ongoing,
• new,
• key,
• professional,
• administrative,
• mental,
• future,
• minor,
• serious,
• basic,
• national,
• legal,
• phonological,
• structural,
• regional,
• world,
• immune,
• musical,
• complex,
• extra,
• international,
• special,
• big,
• physical,
• common,
• everyday,
• systemic,
• urban,
• economic,
• personal,
• unfamiliar,
• educational,
• developmental,
• complicated,
• operational,
• interpersonal,
• broad,
• organizational,

Simple categories matching unexpected:

• situation,
• illness,
• event,
• contaminant,
• transition,
• content,
• accident,
• response,
• ingredient,
• airflow,
• call,
• constituent,
• occurrence,
• change,
• movement,
• move,
• expense,
• format,
• outcome,
• weather,
• crisis,
• noise,
• pathology,
• disease,
• condition,
• happening,
• item,
• incident,
• use,
• circumstances,
• thing,
• way,
• location,
• cause,
• area,
• hazard,
• force,
• trauma,
• activity,
• disruption,
• material,
• trouble,
• hardship,
• substance,
• setback,
• disturbance,
• danger,
• disaster,
• error,
• gift,
• injury,
• infection,
• property,
• tragedy,
• place,
• contingency,
• critter,
• result,
• reversal,
• liabilities,
• losses,
• difficulty,
• variation,
• instrument,
• action,
• expenditure,
• case,
• problem,
• delay,
• interruption,
• organs,
• circumstance,
• surprise,
• eventuality,
• source,
• challenge,
• phenomenon,
• bill,
• sound,
• emergency,
• catastrophe,
• death,
• failure,
• findings,
• charge,