21.   The complex issues which are raised cannot be satisfactorily considered within the brief discussions presented here.

22.   The extensive literature on the complex issue of social support has been reviewed many times.

23.   The idea of putting warning labels on drinks packaging is a simplistic and ineffective attempt to resolve a complex issue.

24.   Giving balanced, factual information about consumer products is sensible and useful, but complex issues cannot be explained by putting slogans on a label.

25.   Sub-contracting is a more complex issue.

26.   This is a rather complex issue, but clearly there are elements of language, notably deictics, which are not accessible to a purely truth-conditional semantics.

27.   Tackling those complex issues is not easy.

28.   Erm Europe a very complex issue.

29.   Although they praise his patience, his openness to their suggestions and his grasp of complex issues, they say he delved into operational details and supervised very closely.

30.   And even if Seagram and Time Warner want to strike a deal, there are complex financial issues to resolve.