Original sentence: Analysis suggests that in some cases meaningful information is being conveyed by these behaviors, but it is disputed whether this phenomenon is truly language.Research into non-human great ape language has involved numerous attempts to teach Gorillas, chimpanzees and orangutans to make signs in sign language, arrange physical tokens in specific sequences, and operate lexigrams (keyboards with symbols on them)
Edited sentence: Analysis suggests that meaningful information is being conveyed by these behaviors, but it is disputed whether this phenomenon is truly language.Gorillas, chimpanzees and orangutans have been taught to form signs in sign language, arrange physical tokens in specific sequences, and operate lexigrams (keyboards with symbols on them).Research into non-human great ape language has generated a great deal of evidence suggesting that the great apes are capable of using sophisticated communication with humans and other apes