Man in hat driving a steering a mule and cart.
A man sits in a cart and drives the mule pulling it.
if a man drives (driving), he must be steering what he is driving.
exists x1 x2 x3.(a_topic(x1) & all x5 x4 x6.((n_cart(x6) & n_mule(x5) & subset_of(x6,x4) & subset_of(x5,x4)) -> exists e1 x7.(Theme(e1,x7) & Actor(e1,x3) & v_drive(e1) & for(x7,x4) & n_steering(x7))) & (x1 = x3) & in(x1,x2) & n_hat(x2) & n_man(x1))
exists e3 e1 e2 x1 x2 x3 x4.(n_thing(x4) & n_mule(x4) & for(e2,e3) & Theme(e3,x4) & Actor(e3,x3) & v_pull(e3) & Theme(e2,x4) & Actor(e2,x3) & v_drive(e2) & n_man(x3) & in(e1,x2) & n_cart(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))