Original sentence: Billy claims regular contact with the Plejaren, a group of extraterrestrials, and presents much spiritual and philosophical information from these meetings.He is also the source of over 1000 photographs of objects claimed to be UFOs
Edited sentence: Billy also presents much spiritual and philosophical information to Earth people from the Plejaren, extraterrestrials with whom he has contact with.He is also the source of over 1000 photographs of UFOs