edible is when poison is absorbed into the bone progressive
poison is substance. whipped_cream is edible_thing. toxin is poison. edible_roe is edible_thing. composite_edible_substance is edible_thing. composite_edible_substance is not edible_thing. powdered_milk is edible_rich_in_edible_calcium. health_food is edible_thing. edible_rich_in_fat is edible_thing.