A photographer captures the beauty of a river.
A man is by the water.
The photographer could be man or woman and they may not be by the water but have a long photo lens.
exists e1 x1 x2 x3.(n_beauty(x2) & Theme(e1,x2) & Actor(e1,x1) & v_capture(e1) & of(x2,x3) & n_river(x3) & n_photographer(x1))
exists p1 x1 x2.(n_water(x2) & by(x1,x2) & n_man(x1))