text: In Survivor : Micronesia , it was theorized by Cirie Fields that the purple rock tiebreaker is the tiebreaker for all ties except in the final four when the fire-making challenge is used instead .
simplified: In Survivor : Micronesia , it was suggested by Cirie Fields that the purple rock tiebreaker is the tiebreaker for all ties except in the Final Four , when a challenge is used instead .