instructive,"['informative', 'clarifying ', 'elucidative ', 'demonstrative ', 'illustrative ', 'didactic ', 'didactical ', 'doctrinaire ', 'educative ', 'educational ', 'explanatory ', 'expository ', 'expositive ', 'interpretative ', 'interpretive ', 'ostensive ', 'preachy ', 'informative ', 'informatory ', 'uninstructive ']"