An elderly couple reads a map on a park bench.
the elderly couple are sitting on a bench, reading the map.
Reading a map on a park bench does not imply couple must be sitting on the bench.
exists e1 s1 x1 x2 x3 x4.(on(e1,x3) & n_bench(x3) & of(x3,x4) & n_park(x4) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_map(x2) & n_couple(x1) & a_elderly(s1) & Theme(s1,x1))
exists e2 e1 s1 x1 x2 x3.(n_map(x3) & n_couple(x1) & a_elderly(s1) & Theme(s1,x1) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_read(e2) & on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sit(e1))