11.   One need not be an economist or environmentalist to understand the seriousness of the potential problem.

12.   The judge asked if he understood the seriousness of the murder charge.

13.   The Washington Post reported that nothing short of a personal apology from Clinton would convince McKinney that the White House understood the seriousness of what happened Wednesday.

14.   To see public resentment in these terms is to understand its seriousness.

15.   Young said medical advances have helped him understand the seriousness of his head injuries.

16.   He did not accept that Mwai did not understand the seriousness of being HIV positive.

17.   He expressed hope that the international community would understand the seriousness of unregulated currency trading.

18.   He said the report aims to explain the drug problem so ordinary people can understand the seriousness of what has become an industry.

19.   His lawyers said Mwai did not fully understand the seriousness of his condition.

20.   Leigh Steinberg added that Young understands the seriousness of his medical situation and is prepared to deal with whatever his neurologist ultimately recommends.