Man with glasses and red hat reading by lamp light
The man is not wearing glasses
If he has glasses, it's not true that he is not wearing glasses.
exists s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & with(x1,x2) & subset_of(x4,x2) & by(x4,x6) & n_light(x6) & of(x6,x7) & n_lamp(x7) & n_reading(x4) & of(x4,x5) & n_hat(x5) & a_red(s1) & Theme(s1,x4) & subset_of(x3,x2) & n_glass(x3) & n_man(x1))
exists x1.(n_man(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_glass(x2)))