 Which term best describes the relationship between Arvid 6 and Tendal 13?
Transcriber's Note: This etext was produced from Space Science Fiction May 1952. THE ULTROOM ERROR by JERRY SOHL Smith admitted he had made an error involving a few murders—and a few thousand years. Tendal 13. Arvid 6. As he did so the baby's knees hit the side of the play pen and young Laughton let out a scream—half from hurt and half from sudden lack of confidence in his new handler. Nancy had taken a sedative and was asleep by the time Martin finished cleaning the .30-.30 rifle he used for deer hunting. He put it by the stairs, ready for use, fully loaded, leaning it against the wall next to the telephone stand.
 compulsory
 compulsory  symbiotic  complicated  predatory