A stewardess reviews safety procedures on a plane.
A stewardess is on a plane.
A stewardess often reviews safety procedures.
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_review(e1) & on(x2,x4) & n_plane(x4) & n_procedure(x2) & of(x2,x3) & n_safety(x3) & n_stewardess(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_plane(x2)) & n_stewardess(x1))