A man is riding a bike down a dirt path.
A man is riding a bike.
in both sentences, a man is riding a bike.
exists e1 x1 x2 x3 x4.(down(e1,x3) & n_path(x3) & of(x3,x4) & n_dirt(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_man(x1))