Two men are riding on a motorcycle down a road.
The two men are riding a Harley on a beautiful day.
Not all motorcycles are a Harley.
exists e1 x1 x2 x3.(down(e1,x3) & n_road(x3) & on(e1,x2) & n_motorcycle(x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(n_man(x1) & card_eq_2(x1) & on(e1,x3) & n_day(x3) & a_beautiful(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & ne_org_harley(x2))