A man in an orange vest is standing behind a red bucket.
A man sits on a bench.
If a man is standing behind something he could not sit on a bench at the same time.
exists e1 s1 x1 x2 x3 x4.(behind(e1,x4) & n_bucket(x4) & a_red(s1) & Theme(s1,x4) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_vest(x2) & of(x2,x3) & n_orange(x3) & n_man(x1))
exists e1 x1 x2.(on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))