A orange and yellow ambulance on a street next to a crane.
There has been an emergency.
The orange and yellow ambulance on the street does not mean there is an emergency at that time.
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.((x1 = x2) & n_emergency(x2))