Before the concert the cameramen scan the crowd of fans.
Cameramen look over the crowd at a concert.
Cameramen look over the crowd at a concert is a rephrasing of cameramen scan the crowd of fans.
exists e1 x1 x2 x3 x4.(n_concert(x4) & n_crowd(x2) & n_cameraman(x1) & before(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_scan(e1) & of(x2,x3) & n_fan(x3))
exists x1 x2 x3 x4.(n_crowd(x3) & a_topic(x1) & over(x1,x3) & at(x3,x4) & n_concert(x4) & n_look(x1) & (x1 = x2) & ne_nam_cameramen(x2))