Modifiers matching instruction:

• effective,
• standard,
• linear,
• specialized,
• formal,
• individual,
• direct,
• advanced,
• supporting,
• practical,
• educational,
• extra,
• interactive,
• scientific,
• technical,
• traditional,
• special,
• supplemental,
• informal,
• planned,
• religious,
• alternative,
• verbal,
• artistic,
• proper,
• ongoing,
• seasonal,
• private,
• good,
• motivating,
• medical,
• elementary,
• military,
• graphic,
• written,
• atomic,
• level,
• simple,
• contrapuntal,
• online,
• useful,
• christian,
• organized,
• logical,
• passive,
• outdoor,
• single,

Simple categories matching elementary:

• object,
• group,
• particle,
• defect,
• force,
• algebra,
• characteristic,
• antenna,
• training,
• set,
• system,
• shape,
• entity,
• metal,
• behavior,
• task,
• part,
• gates,
• operator,
• substance,
• unit,
• figure,
• modality,
• thing,
• transformation,
• automaton,
• necessity,
• evidence,
• fragment,
• form,
• activity,
• process,
• class,
• polygon,
• notion,
• curve,
• essential,
• symbol,
• organization,
• lepton,
• motion,
• analysis,
• surface,
• article,
• volume,
• topic,
• equipment,
• stage,
• quantity,
• idea,
• aspect,
• instruction,
• information,
• action,
• source,
• way,
• reaction,
• instrument,
• knowledge,
• operation,
• constituent,
• component,
• movement,
• tool,
• solid,
• sign,
• principle,
• emotion,
• structure,
• vocabulary,
• property,
• wave,
• concept,
• mechanism,
• measurement,
• circuit,
• faculty,
• calculation,
• flow,
• ability,
• state,
• behaviour,
• type,
• attribute,
• semiconductor,
• spread,
• mathematics,
• subject,
• program,
• perception,
• antiparticle,
• block,
• organism,
• case,
• event,
• material,
• signal,
• theme,
• facility,
• carbon,
• phenomenon,
• pattern,
• item,
• operations,
• statistics,
• stream,
• representation,
• product,
• sensation,
• measure,
• piece,
• picture,
• function,
• feature,
• relationship,