A cop stands in front of a car on a busy street.
A cop stood in front of the car as traffic unfolded around them.
A cop stands in front of a car on a busy street can be written as a cop stood in front of the car as traffic unfolded around them because busy streets have traffic.
exists e1 s1 x1 x2 x3 x4.(in(e1,x2) & on(x2,x4) & n_street(x4) & a_busy(s1) & Theme(s1,x4) & of(x2,x3) & n_car(x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_cop(x1))
exists e1 p1 x1 x2 x3.(n_thing(x3) & n_car(x3) & exists e2 x4.(around(e2,x3) & Actor(e2,x4) & v_unfold(e2) & n_traffic(x4)) & as(e1,p1) & in(e1,x2) & of(x2,x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_cop(x1))