A bicyclist is in the air over a ramp.
the bicyclist is a performer
We don't know that he is a performer.
exists p1 x1 x2 x3.(n_air(x3) & over(p1,x2) & n_ramp(x2) & in(x1,x3) & n_bicyclist(x1))
exists p1 x1.(n_bicyclist(x1) & exists x2.((x1 = x2) & n_performer(x2)))