Simplify the following text for a Grade 9 native English-speaking person.
Original: Burton won immunity , but gave it to Rupert during tribal council ; it was no use to Burton since he and Lillian already had immunity .
Simplified: Burton and Lillian were given automatic immunity for the next Tribal Council as a reward for having been voted back into the game by the Outcasts . Both were still allowed to compete in the Immunity Challenge , which Burton won .