The horse on the left is brown.
There are two horses exactly
There could be more than two horses.
exists s1 x1 x2.(n_left(x2) & n_horse(x1) & Theme(s1,x1) & a_brown(s1) & on(x1,x2))
exists p1 s1 x1.(a_exactly(s1) & Manner(p1,s1) & exists x2.((x1 = x2) & n_horse(x2) & card_eq_2(x2)))