11.   When he sees the ride begin to fill with customers, Brown rings a warning bell.

12.   Would she ring the warning bell that cushioned the little fellow from the worst of it?

13.   As she read his letter, warning bells began to sound in her head.

14.   He said there were warning bells for me.

15.   All well and good, but when Gay does cite specifics, little warning bells sometimes go off.

16.   But their humiliation of the defending champions rang a warning bell that the Yanks were still hearing Tuesday.

17.   Despite the confusion, the figures should sound warning bells throughout baseball, Stewart and others say.

18.   Finally, the warning bell sounds and he pulls the stool from under me.

19.   In retrospect, there were lots of other developments that should have set off warning bells.

20.   Related party transactions may also set off a warning bell, de Werd said.