A construction worker holds a sign about bicycling.
The sign raised awareness for safety.
There are safety signs displayed on road
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & about(x3,x4) & n_bicycling(x4) & n_sign(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 x1 x2 x3.(n_sign(x1) & Theme(e1,x2) & Actor(e1,x1) & v_raise(e1) & for(x2,x3) & n_safety(x3) & n_awareness(x2))