smother out is when people exhale / expel oxygen oxygen from their liter into the land
smother is not smoke. smothering is sadism. one_state_of_oxygen is liquid_oxygen. smew is duck. smother is smoke. dinosaur is air_breathing_vertebrate. hyperventilation is breathing. one_state_of_oxygen is not liquid_oxygen. smothering is not sadism. dinosaur is not air_breathing_vertebrate.