A guy on a skateboard does a trick on a ramp while others watch on the other side of the ramp .
It is unlikely that a man performs his most popular skateboard trick in front of potential sponsors .
It is unlikely that a man performs his most popular skateboard trick in front of potential sponsors .
It is probably the case that a man performs his most popular skateboard trick in front of potential sponsors .
A man performs his most popular skateboard trick in front of potential sponsors .