Two men are riding a couple of horses, chasing a white animal.
There are two men in this picture
The number of men remains the same.
exists e2 e1 s1 x1 x2 x3 x4 x5.(Theme(e2,x2) & Actor(e2,x1) & v_ride(e2) & Theme(e1,x5) & Actor(e1,x4) & v_chase(e1) & n_animal(x5) & a_white(s1) & Theme(s1,x5) & (x2 = x4) & of(x2,x3) & n_horse(x3) & n_couple(x2) & n_man(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_picture(x2) & in(p1,x2) & exists x3.((x1 = x3) & n_man(x3) & card_eq_2(x3)))