Riding a bicycle through the city.
A bike is being ridden on a dirt path.
Dirt paths are not found in a city
exists e1 x1 x2 x3.(n_city(x3) & through(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x2) & n_thing(x1))
exists e1 x1 x2 x3.(on(e1,x2) & n_path(x2) & of(x2,x3) & n_dirt(x3) & Theme(e1,x1) & v_ride(e1) & n_bike(x1))