A couple with sunglasses are laying on the beach.
The couple are flying a plane.
People can't be flying a plane while laying on the beach.
exists e1 x1 x2 x3.(n_beach(x3) & on(e1,x3) & Actor(e1,x1) & v_lay(e1) & with(x1,x2) & n_sunglass(x2) & n_couple(x1))
exists e1 x1 x2.(n_couple(x1) & Theme(e1,x2) & Actor(e1,x1) & v_fly(e1) & n_plane(x2))