11.   In this sense heroin is a real problem.

12.   Pardon us if we yawn, Chuck, but that hardly addresses the real problem.

13.   Such unions are so rare that, of course, they pose no real problem or threat for the legal system.

14.   The for-profits and the government agencies have both been real problems for us.

15.   The inner robot switched off, leaving the conscious man to cope with real problems, the immediacy of living.

16.   The most obvious fact is that real problems are rare.

17.   The noise is becoming a real problem.

18.   The real problem boils down to identifying the nature of the problem itself.

19.   The real problem was that many students felt unable to ask for help when they were in difficulty.

20.   The real problem, they say, is overgrazing by the sheep.