A man in a red jacket is standing at the top of the stadium steps.
the stadium is empty
The stadium can't be empty if a man is standing at the top of the stadium steps.
exists e1 s1 x1 x2 x3 x4 x5.(n_step(x4) & of(x4,x5) & n_stadium(x5) & n_top(x3) & at(e1,x3) & of(x3,x4) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_jacket(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists s1 x1.(n_stadium(x1) & Theme(s1,x1) & a_empty(s1))