Original: The game began by splitting the 16 players into four tribes by sex and age: young men (Viveros, green buffs), older men (La Mina, orange buffs), young women (Bayoneta, blue buffs) and older women (Casaya, purple buffs).
Simplified: The game started by dividing the 16 players into four tribes by gender and age: young men (Viveros, green buffs), older men (La Mina, orange buffs), young women (Bayoneta, blue buffs) and older women (Casaya, purple buffs).