A snowboarder is in the air above a ramp of snow.
A snowboarder is in mid air
In mid air is a rephrase of in the air above.
exists p1 x1 x2 x3 x4.(n_air(x4) & above(p1,x2) & of(x2,x3) & n_snow(x3) & n_ramp(x2) & in(x1,x4) & n_snowboarder(x1))
exists p1 x1.(exists s1 x2.(in(x1,x2) & n_air(x2) & a_mid(s1) & Theme(s1,x2)) & n_snowboarder(x1))