Police officer whistles while he works
The police officer is whistling while patrolling a neighborhood.
police officer's work may not be patrolling a neighborhood
(x)
exists e2 e1 x1 x2 x3.(n_officer(x1) & of(x1,x2) & n_police(x2) & while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_patrol(e2) & n_neighborhood(x3) & Actor(e1,x1) & v_whistle(e1))