The back of two men with beanies on in front of a large stone wall.
Nobody is here.
If nobody is here, two men cannot be here.
exists s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_back(x1) & a_topic(x1) & of(x1,x2) & with(x2,x3) & in(s1,x5) & of(x5,x6) & n_wall(x6) & of(x6,x7) & n_stone(x7) & a_large(s2) & Theme(s2,x6) & n_front(x5) & Theme(s1,x4) & a_on(s1) & (x3 = x4) & n_beany(x3) & n_man(x2) & card_eq_2(x2))
-exists s1 x1.(Theme(s1,x1) & a_here(s1) & n_person(x1))