All television evangelists are persons motivated purely by self interest. Some television evangelists are not individuals truly concerned with the plight of suffering humanity. No bald eagles are lizards. Some parakeets are not lizards. Some parakeets are not bald eagles.
All greyhounds are fast runners.
All dogs owned by Mary Lou are greyhounds. All dogs owned by Mary Lou are fast runners. All fire-breathing dragons are fearsome creatures. Some fearsome creatures are things to be remembered. Some things to be remembered are fire-breathing dragons.