Original sentence: In Return of the Jedi, Luke commands C-3PO and R2-D2 to deliver a message to Jabba the Hutt, whereby C-3PO is used as Jabba's translator while R2-D2 serves on his flying sail barge.In Star Wars, C-3PO is introduced to the audience when he and R2-D2 are aboard the consular ship Tantive IV when it is attacked by the Imperial Star Destroyer Devastator.In Star Wars: Episode II – Attack of the Clones, set 10 years later, Shmi is kidnapped by a group of Tusken Raiders.In Star Wars: Episode III – Revenge of the Sith, C-3PO is aware of Padmé's pregnancy and the meetings held with Bail Organa and Mon Mothma.In The Empire Strikes Back, C-3PO is responsible for identifying the Empire's probe droid, alerting the Rebels to the Empire's awareness of their location on the sixth planet of the Hoth System
Edited sentence: C-3PO and R2-D2 are supporting characters in Star Wars: Episode III – Revenge of the Sith.C-3PO is a supporting character in the movie.He is responsible for identifying the Empire's probe droid, alerting the Rebels to the Empire's awareness of their location on the sixth planet of the Hoth System.In Return of the Jedi, C-3PO is a major character in the movie and R2-D2 is being a background character in the movie.In Star Wars, C-3PO and R2-D2 are the main tritagonists of the film.In Star Wars: Episode II – Attack of the Clones, set 10 years later, C-3PO is a major character in the film.In The Empire Strikes Back, C-3PO is a supporting character in the film.Luke commands C-3PO and R2-D2 to deliver a message to Jabba the Hutt, whereby C-3PO is used as Jabba's translator while R2-D2 serves on his flying sail barge.Shmi is kidnapped by a group of Tusken Raiders.They are aware of Padmé's pregnancy and the meetings held with Bail Organa and Mon Mothma.They are introduced to the audience when they are aboard the consular ship Tantive IV when it is attacked by the Imperial Star Destroyer Devastator