A man in a hat is standing with two horses, that are each carrying burdens.
The man is not on a horse.
Standing with horses means not on a horse.
exists e2 e1 s1 x1 x2 x3 x4 x5.(with(e1,x3) & a_each(s1) & Manner(e2,s1) & Theme(e2,x5) & Actor(e2,x4) & v_carry(e2) & n_burden(x5) & (x3 = x4) & n_horse(x3) & card_eq_2(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_hat(x2) & n_man(x1))
exists x1.(n_man(x1) & -exists p1 x2.(on(x1,x2) & n_horse(x2)))