11.  For many others, it was a complicated one.

12.  Her love life is a complicated one, as is her family life.

13.  Several defense lawyers said the trial had been a complicated one because of the number of defendants, something they said could form the basis for an appeal.

14.  The argument here is a complicated one.

15.  The cereal industry is a complicated one, where the high prices offset are by massive promotions.

16.  The change in the race question will produce a more detailed picture of the population but also a more complicated one.

17.  The delivery of baby Kenneth was a complicated one, he said.

18.  The cereal industry is a complicated one, where the high prices are offset by massive promotions.

19.  The demographic issue is a complicated one.

20.  The matter is a complicated one.