Four men are rollerskating in a line , with the last three holding onto the hips of the man ahead of them .
There is a better than even chance that a group of guys practicing their skating for a competition next week .
There is a better than even chance that a group of guys practicing their skating for a competition next week .
Chances are slight that a group of guys practicing their skating for a competition next week .
A group of guys practicing their skating for a competition next week .