21.   The option likely to arouse the most controversy is that of a central, nationwide system displaying orders to buy and sell.

22.   His role as documentary filmmaker has created perhaps the most controversy, in particular a documentary he made about Las Vegf has used drugs.

23.   A member of the Rwandan delegation said the most controversy was over how to bring about national reconciliation.

24.   But it is the attempt to restrict legal immigration that has drawn the most controversy.