Couple overlooking a metal rail with water and a boat in the background.
The couple sailing in the boat.
A boat in the background does not imply they are sailing in the boat.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(n_background(x8) & a_topic(x1) & with(e1,x5) & subset_of(x7,x5) & in(x7,x8) & n_boat(x7) & subset_of(x6,x5) & n_water(x6) & Theme(e1,x3) & Actor(e1,x2) & v_overlook(e1) & n_rail(x3) & of(x3,x4) & n_metal(x4) & (x1 = x2) & n_couple(x1))
exists x1 x2 x3.(n_boat(x3) & n_sailing(x1) & of(x1,x2) & n_couple(x2) & a_topic(x1) & in(x1,x3))