A orange and yellow ambulance on a street next to a crane.
A vehicle is on the road.
The ambulance is a vehicle and street is another name for road.  The road/street is where one would expect a vehicle to be.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & to(x4,x5) & n_crane(x5) & next(x2,x4) & n_thing(x4) & on(x2,x3) & n_street(x3) & n_ambulance(x2) & a_yellow(s2) & Theme(s2,x2) & subset_of(x1,s1) & n_orange(x1))
exists p1 x1 x2.(n_road(x2) & on(x1,x2) & n_vehicle(x1))