Two women , one in a dark colored clothing and one in light colored clothing , rides a water slide .
There is a better than even chance that two friends are trying to see who can reach the end of the water slide first .
There is a better than even chance that two friends are trying to see who can reach the end of the water slide first .
Chances are slight that two friends are trying to see who can reach the end of the water slide first .
Two friends are trying to see who can reach the end of the water slide first .