An old man rides a bicycle on a country road.
A man rides a bike to work.
That the man is riding a bike does not necessarily mean he is riding to work.
exists e1 s1 x1 x2 x3 x4.(on(e1,x3) & n_road(x3) & of(x3,x4) & n_country(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(Topic(e1,p1) & exists e2.(Actor(e2,x1) & v_work(e2)) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_bike(x3) & n_man(x2) & n_man(x1))