A man in a green hat sitting on a bench.
A man is sitting on a bench in a park.
A man on a bench is not necessarily on a bench in a park.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & on(e1,x4) & n_bench(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_hat(x2) & a_green(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_park(x3) & on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))