Two things are true of all immoral actions. First, if they are performed in public, they offend public sensibilities. Second, they are accompanied by feelings of guilt. If all of the statements above are true, then which one of the following must be false? ['Immoral actions are wrong solely by virtue of being accompanied by feelings of guilt.', 'Every action performed in public that is accompanied by feelings of guilt is immoral.', 'Some actions that offend public sensibilities if they are performed in public are not accompanied by feelings of guilt.', 'Some immoral actions that are not performed in public are not accompanied by feelings of guilt.']