Possible Clues:

• Ancestral groups
• Contributes without Count to ethnic groups
• Angus leaves gas turbines with ethnic groups
• Setback over what Eve took from Adam for lots of groups
• Set-up involving Eve in the beginning produced groups
• Bands in September shortened in Ireland at Point?
• 'Survivor' squads
• Iroquois factions
• Frankie Goes to Hollywood "Two ___"
• Primitive communities