11.   A complication arose when Trudy Faessler, on arriving in Boston, developed pneumonia and had to be hospitalized.

12.   A complication may have arisen in the case of the Dominican Republic.

13.   A complication may arise for people who have borrowed money from their accounts.

14.   But complications can arise.

15.   But complications have arisen as the money for civilian imports increases.

16.   But the larger complication may arise from the way Montclair and other American schools organize classrooms.

17.   Complications arise when he changes his mind.

18.   Complications arise when the parents enter the picture.

19.   Complications arise.

20.   Complications arise for several reasons.