11.   This is a complex problem, that deserves closer consideration.

12.   We must beware of hysterical solutions to complex problems urged by people whose real motive is often hatred of industry and capitalism.

13.   The students work in groups on complex problems.

14.   Images raise complex problems in multimedia for one main reason.

15.   However, the essential feature of structured techniques is the breaking down of a complex problem into smaller manageable units in a systematic way.

16.   Capital investment is rarely a solution to complex problems, and the recurrent cost implications may be detrimental to health ministries that are already over-committed.

17.   Currently hypermedia and multimedia standards pose seemingly insurmountable difficulties, and this only intensifies the already complex problems involved in archiving of multimedia information.

18.   American xenophobes have a long history of finding scapegoats who provide neat and tidy solutions to complex problems -- and understandably so.

19.   And in taking on tobacco, negotiators are dealing with a product that presents complex legal problems.

20.   And he likes simple solutions, even to complex problems related to a missile defense system.