11.   This miscalculation highlights the unfortunate fact that most journalists are more skilled as language mavens than as number crunchers.

12.   Veterinarian Jimmie Gill said that it is an unfortunate fact of medicine that sometimes animals unexpectedly die.

13.   Viruses have become an unfortunate fact of computing life, as some programmers take the same thrill from passing destructive software as spray painters get from tagging walls.

14.   It is an unfortunate fact that, in the run-up to the presidential election, there is going to be an increase in civil unrest.