A man taking a photograph of the ceiling.
A guy is taking a picture.
Guy is a synonym for man and a photograph is a picture.
exists e1 x1 x2 x3 x4.(n_ceiling(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & of(x3,x4) & n_photograph(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2) & n_guy(x1))