Man in a blue coat holding a sign.
The man is wearing a red coat.
The man cannot be wearing both a blue coat and a red coat.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_hold(e1) & n_sign(x4) & (x2 = x3) & n_coat(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_coat(x2) & a_red(s1) & Theme(s1,x2))