a small airplane flying through the air with lots of smoke coming out of the plane.
An airplane landed.
Answer: If a plane is flying in cannot be landed either the plane is flying or has landed.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(n_plane(x7) & n_air(x3) & a_topic(x1) & through(e1,x3) & r_out(e2) & of(e2,x7) & Actor(e2,x6) & v_come(e2) & (x3 = x6) & with(x3,x4) & of(x4,x5) & n_smoke(x5) & n_lot(x4) & Actor(e1,x2) & v_fly(e1) & (x1 = x2) & n_airplane(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_land(e1) & n_airplane(x1))