The horse on the right has a red mane.
The horse with the red mane is with other horses.
The horse may not be with other horses.
exists e1 s1 x1 x2 x3.(n_right(x2) & n_horse(x1) & Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & n_mane(x3) & a_red(s1) & Theme(s1,x3) & on(x1,x2))
exists p1 s1 x1 x2.(n_horse(x1) & n_horse(x1) & n_mane(x2) & a_red(s1) & Theme(s1,x2) & exists x3.(with(x1,x3) & -(x3 = x1) & n_horse(x3)) & with(x1,x2))