A man wearing a cowboy hat rides on a bucking brown horse.
The woman wearing a cowboy hat is posing on a bucking white horse.
The person can only be a man or a woman, can either be riding or posing. The horse can be either brown or white.
exists e1 e3 e2 s1 x1 x2 x3 x4 x5.(on(e2,x5) & n_horse(x5) & a_brown(s1) & Theme(s1,x5) & Actor(e3,x5) & v_buck(e3) & Actor(e2,x1) & v_ride(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & of(x3,x4) & n_cowboy(x4) & (x1 = x2) & n_man(x1))
exists e1 e3 e2 s1 x1 x2 x3 x4 x5.(n_woman(x1) & on(e2,x5) & n_horse(x5) & a_white(s1) & Theme(s1,x5) & Actor(e3,x5) & v_buck(e3) & Actor(e2,x1) & v_pose(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & of(x3,x4) & n_cowboy(x4) & (x1 = x2))