1.   The confusion stems from a new braking system that causes brake lights to flash whenever the driver takes his foot off the accelerator, which annoys the trailing drivers.

2.   The confusion stems from human error in reporting the unofficial tally on the night of the election.

3.   The confusion stems from two sources.

4.   The confusion apparently stems from the fact that the FBI is matching the names on the passenger manifests to students who have trained in flying.

5.   This birthday confusion stems from the fact that the Gregorian calendar is based on sun cycles, while the Chinese calendar is based on the moon.

6.   Officials say the confusion may stem from the fact that Russia has two, not just one, contracts for the Bushehr plant.

7.   The confusion stemmed from a conversation at a dinner in Clevedon where Sir Stanley was speaking.

8.   The initial confusion may have stemmed from the venue.

9.   Transportation officials say the confusion stemmed from trucks versus truck crossings.

10.   The confusion stemmed from a new FIFA directive that single yellow cards would be erased.