When noun-phrase internal agreement (in class) is lost, it tends to disappear first on numerals, then on adjectives, then on demonstratives.
Standardized
IF noun-phrase internal agreement (in class) is being lost on demonstratives, THEN adjectives do not, or no longer agree in class; IF it is being lost on adjectives, THEN numerals do not, or no longer agree in class.
Probably supposed to be valid only for the Kru family (Central Niger-Congo) rather than generally.