A silver-haired man at the steering wheel looks back and smiles.
A man sitting at a steering wheel.
The man looks back and smiles implies he is sitting at the steering wheel while doing so.
exists e2 e1 p1 s1 s2 x1 x2 x3 x4 x5 x6.(n_wheel(x5) & of(x5,x6) & n_steering(x6) & n_wheel(x2) & of(x2,x3) & n_steering(x3) & Actor(e2,x4) & v_smile(e2) & at(x4,x5) & n_man(x4) & a_silver-haired(s2) & Theme(s2,x4) & exists s3.(Theme(s3,x1) & a_back(s3)) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1) & at(x1,x2) & n_man(x1) & a_silver-haired(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x3) & n_wheel(x3) & of(x3,x4) & n_steering(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))