A motocross racer does a trick in midair.
A motocross racer does a dangerous trick in midair.
Just because one is doing a trick does not mean that the trick is dangerous.
exists e1 x1 x2 x3 x4.(in(e1,x4) & n_midair(x4) & Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & n_trick(x3) & n_racer(x1) & of(x1,x2) & n_motocross(x2))
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_midair(x4) & Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & n_trick(x3) & a_dangerous(s1) & Theme(s1,x3) & n_racer(x1) & of(x1,x2) & n_motocross(x2))