soft things are malleable
ductility is malleability. malleability is not tangible_physical_quantity. flexibility is malleability. malleability is tangible_physical_quantity. soft_drink_flavored is edible_thing. malleability is physical_property. malleability is not physical_property. softy is weakling. ductility is not malleability. soft_drink_flavored is not edible_thing.