Input (grade 13): A study of three tokens of carpal (wrist) bones concluded there were similarities to the carpal bones of a chimpanzee or an early hominin such as Australopithecus and also differences from the bones of modern humans.
Output (grade 8): A study of three bits of bones from the hand (or carpal bones) showed that they were similar to the carpal bones of a chimpanzee or an early hominin such as Australopithecus. They were also different from the bones of modern humans.