You trip over a sign saying mind your step ?
You crash into a sign saying thank you for driving carefully through our village ?
Antibiotics make you feel sicker then the bug you have ?
A cat blocks your view of the monitor while you are trying to watch a program about cats ?
A fortune teller has a sign saying closed due to unforeseen circumstances ?
A weatherman sets the date for his wedding and it rains ?
Having a meeting to discuss if they should have meetings ?
Being late to a meeting about the importance of time management ?
Workers at a bakers want a rise ?