31.   But after four-and-a-half years of intensive investigation, there are no simple answers in sight.

32.   But even that simple answer was never quite sufficient.

33.   But evidence is now accumulating that privatization is no simple answer.

34.   But he offered simple answers to complex questions.

35.   But it is a simple answer.

36.   But it is good to remember that complex problems rarely have simple answers.

37.   But one was still left looking for simple answers.

38.   But she and Zaillian had no simple answers for the anxieties of the subjects of such nonfiction films, other than their own commitment to treat their characters right.

39.   But then, there was a simple answer to that problem.

40.   But there are no simple answers chiefly because free trade means different things for different parts of the country.