Statements: 1. All lamps are books.2. No book is coloured.Conclusions: I. Some lamps are coloured.II. No lamp is coloured.
Statements: Some colours are paints. All colours are varnishes. No varnish is dye. Conclusions: I. Some varnishes are paints. II. No dye is colour.
Statements: Some colours are paints. All colours are varnishes. No varnish is dye. Conclusions: I. No paint is dye. II. All paints being varnishes is a possibility.