revision preference src: Instead, alien space ships have been scouting the planet, reported by the locals as apparitions, demons, and signs in the skies, and when they invade only the player character understands what they are and how to stop them. <SEP> tgt: Instead, alien space ships have been scouting the planet, reported by the locals as apparitions, demons, and signs in the skies. When locals invade only the player character understands what locals are and how to stop locals.