A tall light and reflector with a man sitting on a tall ladder.
The man is fixing something.
The may is not necessarily fixing anything, he could just be inspecting it.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(a_topic(s1) & with(s1,x3) & on(e1,x5) & n_ladder(x5) & a_tall(s3) & Theme(s3,x5) & Actor(e1,x4) & v_sit(e1) & (x3 = x4) & n_man(x3) & n_reflector(x2) & n_light(x1) & subset_of(x2,s1) & subset_of(x1,s1) & a_tall(s2) & Theme(s2,s1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_fix(e1) & n_thing(x2))