smother out is when people expel oxygen oxygen from their flowers into the land
smother is not smoke. smothering is sadism. oxygen is flammable_gas. smother is smoke. dinosaur is air_breathing_vertebrate. thysanopter is insect. thysanopter is not insect. if smother occurs then cover occurs. smothering is not sadism. dinosaur is not air_breathing_vertebrate.