Could you please tell me which sentence below is the best in your eyes? These days, couples who have nuclear families often receive far more money than couples who have extended families. -------1 These days, couples OF nuclear families often receive far more money than THOSE who have extended families. -------2 These days, couples OF nuclear families often receive far more money than THOSE OF extended families. -------3 In my eyes, 3 is not as good as 2 but is better than 1. Tell me what you think, thanks a lot!