CriterionMode 1Mode 2QualityEstablishedEstablishedOrdinary causeNot particularly manifestKnown or apparentRhetorical moveSupply a delicate causeReplace the familiar cause
The imagined cause is not actual in either case. Mode two especially involves substitution for a recognized explanation. Classification must consider the factual status of the quality and its ordinary cause, not simply whether the poem sounds unusual.