21.   One company has sponsored smoking contests in western Kenya, with participants competing over who can smoke the most cigarettes simultaneously.

22.   Russia and Turkey are also competing over influence in Muslim Central Asia and in the Caucasus.

23.   Sometimes, they compete over intelligence rather than share it.

24.   The senators were told three of the four should be released on parole because they have competed over half their sentences.

25.   However, Tulu said her rival should not have competed over the cross-country course at Leopardstown Racecourse, Ireland.