San Francisco Police waiting on alert for a catastrophe.
police people waiting
Even if waiting for an alert, one is still waiting.
exists e1 x1 x2 x3 x4 x5.(ne_nam_police(x1) & (x1 = x3) & ne_geo_francisco(x3) & (x1 = x2) & ne_geo_san(x2) & for(e1,x5) & n_catastrophe(x5) & on(e1,x4) & n_alert(x4) & Actor(e1,x1) & v_wait(e1))
exists e1 x1 x2 x3.(a_topic(x1) & Actor(e1,x3) & v_wait(e1) & (x1 = x3) & n_people(x1) & of(x1,x2) & n_police(x2))