21.   Last season there was considerable confusion, mostly because of errors by the IRS.

22.   More generally, there is considerable confusion about ethics, and there are plenty of examples of bad ethics around.

23.   The case brought to the court a much-disputed issue that has created considerable confusion in the lower courts.

24.   The fate of the widely criticized pedestrian barriers in midtown was the subject of considerable municipal confusion Wednesday.

25.   The law has caused considerable confusion because it is a pastiche of various provisions, some amended at the last moment and lacking in legislative history.

26.   The poll also revealed considerable confusion over the issue of breast cancer.

27.   There was considerable confusion about details of the plan agreed to by the moderates.

28.   There was considerable confusion over the exact number but agreement that there was reason to worry.

29.   There was considerable confusion as to whether Israel plans to begin to wind down Operation Defensive Shield this week, as Sharon told CNN on Monday.

30.   There was considerable confusion over the possibility of a locator beacon being activated.