A man holding a sign with a dog on a leash.
The man is holding a sign.
A man holding a sign is the same as a man holding a sign.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x4) & on(x4,x5) & n_leash(x5) & n_dog(x4) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_sign(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_sign(x2))