A girl is in midair while doing an elaborate trick on a skateboard.
A girl sits next to her skateboard.
One can not be in midair and sit at the same time.
exists e1 p1 s1 x1 x2 x3.(while(p1,e1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & on(x2,x3) & n_skateboard(x3) & n_trick(x2) & a_elaborate(s1) & Theme(s1,x2) & exists x4.(in(x1,x4) & n_midair(x4)) & n_girl(x1))
exists e1 x1 x2.(to(e1,x2) & n_skateboard(x2) & of(x2,x1) & n_female(x1) & r_next(e1) & Actor(e1,x1) & v_sit(e1) & n_girl(x1))