A red car is passing in front of a double-decker bus.
The bus was at the stoplight.
A car can pass a bus whether the bus is at a stoplight or driving along the road.
exists e1 s1 s2 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_bus(x3) & a_double-decker(s2) & Theme(s2,x3) & n_front(x2) & Actor(e1,x1) & v_pass(e1) & n_car(x1) & a_red(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_stoplight(x2) & n_bus(x1) & at(x1,x2))