Two horse back riders riding on a dirt path.
Two people riding horses.
Two horse back riders are riding.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(e1,x5) & n_path(x5) & of(x5,x6) & n_dirt(x6) & Actor(e1,x4) & v_ride(e1) & (x1 = x4) & n_rider(x1) & of(x1,x3) & n_back(x3) & of(x1,x2) & n_horse(x2) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_horse(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))