A skateboarder attempts to do a trick over a homemade ramp .
There is a better than even chance that a skateboarder practices jumping over a high ramp for the first time .
It is impossible that a skateboarder practices jumping over a high ramp for the first time .
There is a better than even chance that a skateboarder practices jumping over a high ramp for the first time .
A skateboarder practices jumping over a high ramp for the first time .