"They . . . are . . . so. . . sorry, " she whispered. "The machine brings back no . . . pictures . . . only the food and air and water. It is programmed . . . as you suggested, Dem Lia . . . to eliminate infestations. They are . . . so . . . so . . . sorry for the loss of Ouster life. They offer the suicide of . . . of their species . . . if it would atone for the destruction."