Complex sentence: The purpose of the fathers quota has been to contribute to a more equal distribution of care taking between mothers and fathers and is supposed to change the relationship between mother and father, between employer and employees of both sexes, and between father and child.
Split into simpler sentences: The purpose of the father's quota has been to contribute to a more equal distribution of care taking between mothers and fathers. It is also supposed to change the relationship between mother and father, between employer and employees of both sexes, and between father and child.