Anchor: Two kayakers interrupt a race and are about to hit competitors of the race.
Entailed: Two people disrupt race
Contradiction: group of kayakers attack airplanes while floating through sky
Contradiction: For exercising that is just the beginning. 
Contradiction: Definitions will be clarified for measures to be used in 2003.
Contradiction: The trend is foggy.
Contradiction: An old woman is using her hands