A plane flies with a cloud of smoke behind it.
the plane is on the ground
Flying refers to being in the air and not on the ground.
exists e1 x1 x2 x3.(behind(e1,x1) & n_thing(x1) & with(e1,x2) & of(x2,x3) & n_smoke(x3) & n_cloud(x2) & Actor(e1,x1) & v_fly(e1) & n_plane(x1))
exists p1 x1 x2.(n_ground(x2) & n_plane(x1) & on(x1,x2))