Man in white shirt looks at a sign on a window.
Man is red shirt has his eyes closed.
A red shirt is not white.  His eyes are not closed while he looks at a sign.
exists e1 s1 x1 x2 x3 x4.(at(e1,x3) & on(x3,x4) & n_window(x4) & n_sign(x3) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 e2 p1 x1 x2 x3 x4.(Theme(e2,x3) & Actor(e2,x1) & v_have(e2) & Actor(e1,x4) & v_close(e1) & (x3 = x4) & n_eye(x3) & of(x3,x1) & n_male(x1) & exists s1 x5.((x2 = x5) & n_shirt(x5) & a_red(s1) & Theme(s1,x5)) & (x1 = x2) & n_man(x1))