1def logic_mixin_factory(mass, mass_attr_name, material, material_attr_name, float_method_name):
 2    class Investigator:
 3        def is_a_witch(self):
 4            if (hasattr(self, mass_attr_name) and getattr(self, mass_attr_name) == mass or
 5                hasattr(self, material_attr_name) and getattr(self, material_attr_name) == material or
 6                    hasattr(self, float_method_name) and callable(getattr(self, float_method_name))):
 7                        return "Burn her!"
 8            
 9            return "No, but it's a pity, cuz she looks like a witch!"
10
11    return Investigator