sentences: melted marshmallow is a kind of substance
docs: melted_solid is liquid. marshmallow is sweet_thing. marshmallow is food. marshmallow is food_ingredient. marshmallow is unnatural_thing. marshmallow is spongy_thing. marshmallow is candy. marshmallow_fluff is spread. sulfurous_acid is inorganic_substance. marshmallow is homogeneous_structure.