Two men are riding on horses through the street.
Guys riding together on horses on the street.
Two men riding on horses through the street aren't necessarily together.
exists e1 x1 x2 x3.(n_street(x3) & through(e1,x3) & on(e1,x2) & n_horse(x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1) & card_eq_2(x1))
exists e1 p1 x1 x2 x3 x4.(n_street(x4) & a_topic(x1) & on(e1,x3) & on(x3,x4) & n_horse(x3) & exists s1.(Theme(s1,x2) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_ride(e1) & (x1 = x2) & n_guy(x1))