A bad storm is slowing traffic on a busy city street.
Lightning crashes down around them
You can't assume there is lightning with there is a storm. It could be a Snow storm
exists e1 s1 s2 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_slow(e1) & on(x2,x3) & n_street(x3) & of(x3,x4) & n_city(x4) & a_busy(s2) & Theme(s2,x3) & n_traffic(x2) & n_storm(x1) & a_bad(s1) & Theme(s1,x1))
exists e1 p1 x1 x2.(around(e1,x1) & n_thing(x1) & exists s1.(Theme(s1,x2) & a_down(s1)) & Recipient(e1,p1) & Actor(e1,x1) & Topic(e1,x2) & v_lightn(e1) & n_crash(x2))